| OptSp |
Optics and Spectroscopy |
In English |
→ Serial publications, periodicals
→ Optics
→ Electromagnetism |
| OQE |
Optical and Quantum Electronics |
In English |
→ Serial publications, periodicals
→ 530145
→ Optics
→ Engineering, technology |
| OrGeo |
Organic Geochemistry |
In English |
→ Serial publications, periodicals
→ Geochemistry |
| OrLi |
Origins of Life |
In English |
→ Serial publications, periodicals
→ Biological sciences |
| OrNav |
Ortung und Navigation |
In German |
→ Serial publications, periodicals
→ Geodesy, cartography |
| ORROE |
Occasional Reports of the Royal Observatory Edinburgh |
In English |
→ Serial publications, periodicals
→ Astronomy |
| OSAJ |
Optical Society of America Journal |
In English |
→ Serial publications, periodicals
→ Optics |
| OSAJI |
Optical Society of America Journal - Optics and Image Science |
In English |
→ Serial publications, periodicals
→ Optics |
| OsCar |
Osteoarthritis and Cartilage |
In English |
→ Serial publications, periodicals
→ Medicine |
| OSID |
Open Systems and Information Dynamics |
In English |
→ Serial publications, periodicals |
| OSJaJ |
Oceanographical Society of Japan Journal |
In English |
→ Serial publications, periodicals
→ Marine research, oceanography |
| OVS |
Observation of Variable Stars |
In English |
→ Serial publications, periodicals
→ Astronomy |
| OxfOO |
Oxford University Observatory Observations |
In English |
→ Serial publications, periodicals
→ Astronomy |
| OxM |
Oxidation of Metals |
In English |
→ Serial publications, periodicals
→ Chemistry
→ Metallurgy |
| OzSE |
Ozone: Science and Engineering |
In English |
→ Serial publications, periodicals
→ Meteorology, climatology |
| P&SS |
Planetary and Space Science |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PA |
Popular Astronomy |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PA |
Présence Africaine |
In French |
→ Serial publications, periodicals
→ Politics |
| PAAS |
Publications of the American Astronomical Society |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PAB |
Publications of The Astrophysics Branch Ottawa |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PABei |
Progress in Astronomy |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PACPhA |
Proceedings of the American Catholic Philosophical Association |
In English |
→ Serial publications, periodicals
→ Philosophy, psychology
→ Roman catholic church |
| PadCR |
Osservatorio Astronomico di Padova - Comunicazioni e Rassegne |
In Italian |
→ Serial publications, periodicals
→ Astronomy |
| PADEU |
Publications of the Astronomy Deparment of the Eotvos Lorand University |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PAIB |
Publications of the Astronomy Institute of Bonn |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PAICU |
Publications of the Astronomical Institute of the Charles University |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PAICz |
Publications of the Astronomical Institute of the Czechoslovak Academy of Sciences |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PAIKH |
Publikationen des Astrophysikalischen Instituts Königstuhl-Heidelberg |
In German |
→ Serial publications, periodicals
→ Astronomy |
| Palb |
Paleobiology |
In English |
→ Serial publications, periodicals
→ Palaeontology
→ Biological sciences |
| PAllO |
Publications of the Allegheny Observatory of the University of Pittsburgh |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PalOc |
Paleoceanography |
In English |
→ Serial publications, periodicals
→ Palaeontology
→ Marine research, oceanography |
| PAMS |
Proceedings of the American Mathematical Society |
In English |
→ Serial publications, periodicals
→ Mathematics |
| PAN |
Physics of Atomic Nuclei |
In English |
→ Serial publications, periodicals
→ Nuclei |
| PApCh |
Pure and Applied Chemistry |
In English |
→ Serial publications, periodicals
→ Chemistry |
| PApGe |
Pure and Applied Geophysics |
In English |
→ Serial publications, periodicals
→ Geophysics |
| PAPhS |
Proceedings of the American Philosophical Society |
In English |
→ Serial publications, periodicals
→ Philosophy, psychology |
| PApPh |
Pure and Applied Physics |
In English |
→ Serial publications, periodicals
→ Physics |
| ParC |
Parallel Computing |
In English |
→ Serial publications, periodicals
→ Computer science |
| PaReL |
Pattern Recognition Letters |
In English |
→ Serial publications, periodicals
→ Computer-based techniques |
| PASA |
Publications of the Astronomical Society of Australia |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PASAu |
Proceedings of the Astronomical Society of Australia |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PASJ |
Publications of the Astronomical Society of Japan |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PASK |
Publications of the Academy of Science Kasakstan |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PASP |
Publications of the Astronomical Society of the Pacific |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PASPS |
Publications of the Astronomical Society of the Pacific, Supplement |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PAUTx |
University of Texas Publications in Astronomy |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PBB |
Progress in Biochemistry and Biophysics |
In English |
→ Serial publications, periodicals
→ Biochemistry, biophysics |
| PBBC |
Progress in Biophysics and Biophysical Chemistry |
In English |
→ Serial publications, periodicals
→ Biochemistry, biophysics |
| PBeiO |
Publications of the Beijing Astronomical Observatory |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PBioS |
Proceedings: Biological Sciences |
In English |
→ Serial publications, periodicals
→ Biological sciences |
| PBMB |
Progress in Biophysics and Molecular Biology |
In English |
→ Serial publications, periodicals
→ Biochemistry, biophysics |
| PBosO |
Publications of the Bosscha Observatory Lembang |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PBrn |
Publications of the Astronomical Institute of the University of Borneo |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PCARS |
Publication of COMU Astrophysics Research Center |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PCE |
Physics and Chemistry of the Earth |
In English |
→ Serial publications, periodicals
→ Geophysics
→ Geochemistry |
| PCED |
Physics and Chemistry of the Earth Delta |
In English |
→ Serial publications, periodicals
→ Geophysics
→ Geochemistry |
| PCESR |
Physical, Chemical and Earth Sciences Research Reports |
In English |
→ Serial publications, periodicals
→ Physics
→ Chemistry
→ Earth sciences |
| PCHEI |
Physics in Collision: High-Energy ee/ep/pp Interactions |
In English |
→ Serial publications, periodicals
→ Nuclear, atomic, and molecular physics |
| PCinO |
Publications of the Cincinnati Observatory |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PCL |
Physics and Chemistry of Liquids |
In English |
→ Serial publications, periodicals
→ Physics
→ Chemistry |
| PCM |
Physics and Chemistry of Minerals |
In English |
→ Serial publications, periodicals
→ Mineralogy |
| PCMLD |
Physics and Chemistry of Materials with Low-Dimensional Structures |
In English |
→ Serial publications, periodicals
→ Physics
→ Chemistry |
| PCN |
Physics and Contemporary Needs |
In English |
→ Serial publications, periodicals
→ Physics |
| PCooO |
Publications of the Cook Observatory |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PCPP |
Plasma Chemistry and Plasma Processing |
In English |
→ Serial publications, periodicals
→ Plasma physics |
| PCS |
Physics and Chemistry in Space |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PCSE |
Physical Chemistry: Science and Engineering |
In English |
→ Serial publications, periodicals
→ Physics |
| PCTM |
Physikalisch-Chemische Trenn- und Messmethoden |
In German |
→ Serial publications, periodicals
→ Chemistry |
| PDAA |
Publications of the Department of Astronomy, Austin, Texas |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PDAO |
Publications of the Dominion Astrophysical Observatory |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PDAUC |
Publications of the Department of Astronomy, University of Chile |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PDDO |
Publications of the David Dunlap Observatory |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PDO |
Publications of the Dominion Observatory Ottawa |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PDreO |
Publications of the Dresden Observatory |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PEB |
Pacific Economic Bulletin |
In English |
→ Serial publications, periodicals
→ Economics |
| PEEI |
Physics and Evolution of the Earth's Interior |
In English |
→ Serial publications, periodicals
→ Geophysics |
| PEFPN |
Physica Energiae Fortis et Physica Nuclearis |
In Latin |
→ Serial publications, periodicals
→ Nuclear, atomic, and molecular physics |
| PEMS |
Proceedings of the Edinburgh Mathematical Society |
In English |
→ Serial publications, periodicals
→ Mathematics |
| PEPI |
Physics of the Earth and Planetary Interiors |
In English |
→ Serial publications, periodicals
→ Geophysics
→ Planets and satellites |
| PerCo |
Perkins Observatory Contributions |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PF&CO |
Publications of the Flower and Cook Astronomical Observatory |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PFAO |
Publications of the Flower Astronomical Observatory |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PGLO |
Publications of the Goethe Link Observatory |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PGooO |
Publications of the Goodsell Observatory |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PhAco |
Physical Acoustics |
In English |
→ Serial publications, periodicals
→ Acoustics |
| PhApp |
Physics and its Applications |
In English |
→ Serial publications, periodicals
→ Physics |
| PhASp |
Physics and Astrophysics from Spacelab |
In English |
→ Serial publications, periodicals
→ Astronomy
→ Spaceflight engineering, astronautics |
| PhB |
Physics Bulletin |
In English |
→ Serial publications, periodicals
→ Physics |
| PhBio |
Physical Biology |
In English |
→ Serial publications, periodicals
→ Biochemistry, biophysics |
| PhChE |
Physics and Chemistry of Earth |
In English |
→ Serial publications, periodicals
→ Geophysics
→ Geochemistry |
| PhChH |
PhysicoChemical Hydrodynamics |
In English |
→ Serial publications, periodicals
→ Physics |
| PhFl |
Physics of Fluids |
In English |
→ Serial publications, periodicals
→ Physics |
| PhGeo |
Physical Geography |
In English |
→ Serial publications, periodicals
→ Geography |
| PhiJR |
Philips Journal Research |
In English |
→ Serial publications, periodicals
→ Electronics |
| PhiRR |
Philips Research Reports |
In English |
→ Serial publications, periodicals
→ Electronics |
| PhiTR |
Philips Technical Review |
In English |
→ Serial publications, periodicals
→ Electronics |
| PhJ |
Philosophisches Jahrbuch |
In German |
→ Serial publications, periodicals
→ Philosophy, psychology |
| PhL |
Physics Letters |
In English |
→ Serial publications, periodicals
→ Physics |
| PhLF |
Physics Laser Fusion |
In English |
→ Serial publications, periodicals
→ Electricity, magnetism, electromagnetism
→ Nuclear, atomic, and molecular physics |
| PhLRv |
Physics of Life Reviews |
In English |
→ Serial publications, periodicals
→ Physics
→ Biological sciences |
| PhMet |
Physics of Metals |
In English |
→ Serial publications, periodicals
→ Metallurgy |
| PhP |
Physics in Perspective |
In English |
→ Serial publications, periodicals
→ Physics |
| PhPl |
Physics of Plasmas |
In English |
→ Serial publications, periodicals
→ Plasma physics |
| PhQE |
Physics of Quantum Electronics |
In English |
→ Serial publications, periodicals
→ Nuclear, atomic, and molecular physics |
| PhR |
Physics Reports |
In English |
→ Serial publications, periodicals
→ Physics |
| PhR |
Philosophical Review |
In English |
→ Serial publications, periodicals
→ Philosophy, psychology |
| PhRv |
Physical Review |
In English |
→ Serial publications, periodicals
→ Physics |
| PhRvL |
Physical Review Letters |
In English |
→ Serial publications, periodicals
→ Physics |
| PhSS |
Physics of the Solid State |
In English |
→ Serial publications, periodicals
→ Physics |
| PhT |
Physics Today |
In English |
→ Serial publications, periodicals
→ Physics |
| PhTea |
The Physics Teacher |
In English |
→ Serial publications, periodicals
→ Education
→ Physics |
| PhTec |
Physics in Technology |
In English |
→ Serial publications, periodicals
→ Physics
→ Engineering, technology |
| PhuZ |
Physik in unserer Zeit |
In German |
→ Serial publications, periodicals
→ Physics |
| PhyCP |
Physiological Chemistry and Physics |
In English |
→ Serial publications, periodicals
→ Biochemistry, biophysics
→ Physiology |
| PhyEd |
Physics Education |
In English |
→ Serial publications, periodicals
→ Physics |
| PhyEs |
Physics Essays |
In English |
→ Serial publications, periodicals
→ Physics |
| PhylS |
Physiologist Supplement |
In English |
→ Serial publications, periodicals
→ Physiology |
| PhyM |
Physiological Measurement |
In English |
→ Serial publications, periodicals
→ Physiology |
| PhyN |
Physics Notes |
In English |
→ Serial publications, periodicals
→ Physics |
| PhyNr |
Physica Norvegica |
In Latin |
→ Serial publications, periodicals
→ Physics |
| PhyNY |
Physics New York |
In English |
→ Serial publications, periodicals
→ Physics |
| PhyR |
Physical Research |
In English |
→ Serial publications, periodicals
→ Physics |
| PhyS |
Physica Scripta |
In Latin |
→ Serial publications, periodicals
→ Physics |
| PhyW |
Physics World |
In English |
→ Serial publications, periodicals
→ Physics |
| PhyZ |
Physikalische Zeitschrift |
In German |
→ Serial publications, periodicals
→ Physics |
| PIE |
Publication In Engineering |
In English |
→ Serial publications, periodicals
→ Applied sciences, technology |
| PIGP |
Proceedings of the Institute of General Physics |
In English |
→ Serial publications, periodicals
→ Physics |
| PIPSS |
(The Journal of) Power Institutions in Post-Soviet Societies |
In English |
→ Serial publications, periodicals
→ Politics |
| PIstO |
Publications of the Istanbul (University) Observatory |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PJA |
Proceeding of the Japan Academy |
In English |
→ Serial publications, periodicals, |
| PKAS |
Publication of the Korean Astronomical Society |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PKirO |
Publications of the Kirkwood Observatory of Indiana University |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PKM |
Physik der Kondensiterten Materie |
In German |
→ Serial publications, periodicals
→ Physics of condensed matter |
| Pl&I |
Plasmas and Ions |
In English |
→ Serial publications, periodicals
→ Plasma physics |
| PLAGL |
Publications de l'Institut d'Astronomie et de Géophysique de Louvain |
In French |
→ Serial publications, periodicals
→ Astronomy |
| PlAst |
Planetary Astronomy |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PLawO |
Publications of Laws Observatory |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PLDS |
Physics of Low-Dimensional Structures |
In English |
→ Serial publications, periodicals
→ Physics |
| PLicO |
Publications of Lick Observatory |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PlPh |
Plasma Physics |
In English |
→ Serial publications, periodicals
→ 5539 |
| PlPhR |
Plasma Physics Reports |
In English |
→ Serial publications, periodicals
→ Plasma physics |
| PlPo |
Plasmas and Polymers |
In English |
→ Serial publications, periodicals
→ Plasma physics
→ Chemical technology |
| PlR |
Planetary Report |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PLTP |
Progress in Low Temperature Physics |
In English |
→ Serial publications, periodicals
→ Physics |
| PMag |
Philosophical Magazine |
In English |
→ Serial publications, periodicals
→ Philosophy, psychology |
| PMagL |
Philosophical Magazine Letters |
In English |
→ Serial publications, periodicals
→ Philosophy, psychology |
| PManO |
Publications of the Manila Observatory |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PMatP |
Progress in Mathematical Physics |
In English |
→ Serial publications, periodicals
→ Mathematics
→ Physics |
| PMB |
Physics in Medicine and Biology |
In English |
→ Serial publications, periodicals
→ Physics
→ Biological sciences
→ Medicine |
| PMcCO |
Publications of the Leander McCormick Observatory |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PMetP |
Progress in Metal Physics |
In English |
→ Serial publications, periodicals
→ Physics
→ Metallurgy |
| PMetR |
Papers in Meteorological Research |
In English |
→ Serial publications, periodicals
→ Meteorology, climatology |
| PMG |
Papers in Meteorology and Geophysics |
In English |
→ Serial publications, periodicals
→ Meteorology, climatology
→ Geophysics |
| PMHu |
Periodica Mathematica Hungarica |
In Latin |
→ Serial publications, periodicals
→ Mathematics |
| PMM |
Physics of Metals and Metallography |
In English |
→ Serial publications, periodicals
→ Metallurgy |
| PMPES |
Proceedings: Mathematical, Physical and Engineering Sciences |
In English |
→ Serial publications, periodicals
→ Mathematics and natural sciences
→ Applied sciences, technology |
| PMRP |
Progress in Medical Radiation Physics |
In English |
→ Serial publications, periodicals
→ Medicine |
| PMunO |
Publications of the Munich Observatory |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PNAOJ |
Publications of the National Astronomical Observatory of Japan |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PNAS |
Proceedings of the National Academy of Sciences (www.pnas.org) |
In English |
→ Serial publications, periodicals
→ Mathematics and natural sciences |
| PNSBP |
Proceedings of the National Society of Black Physicists |
In English |
→ Serial publications, periodicals |
| PNSci |
Progress in Natural Science |
In English |
→ Serial publications, periodicals
→ Mathematics and natural sciences |
| PoA |
Politique Africaine |
In French |
→ Serial publications, periodicals
→ Politics |
| POBeo |
Publications de l'Observatoire Astronomique de Beograd |
In French |
→ Serial publications, periodicals
→ Astronomy |
| POBor |
Publications de l'Observatoire de l'Université de Bordeaux |
In French |
→ Serial publications, periodicals
→ Astronomy |
| POClu |
Publicatiile Observatorului Astronomic al Universităţii din Cluj |
In Romanian |
→ Serial publications, periodicals
→ Astronomy |
| PoCom |
Polymer Composites |
In English |
→ Serial publications, periodicals
→ Chemical technology
→ Plastic industry |
| POHel |
Publications of the Astronomical Observatory Helsinki |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PolAt |
Pollution Atmosphérique |
In French |
→ Serial publications, periodicals
→ Nature and society
→ Meteorology, climatology |
| PolPh |
Polymer Physics |
In English |
→ Serial publications, periodicals
→ Chemistry
→ Chemical technology
→ Plastic industry |
| PolRe |
National Institute Polar Research Memoirs |
In English |
→ Serial publications, periodicals
→ Earth sciences |
| POMic |
Publications of Michigan Observatory |
In English |
→ Serial publications, periodicals
→ Astronomy |
| POMil |
Pubblicazioni dell'Osservatorio Astronomico di Milano-Merate |
In Italian |
→ Serial publications, periodicals
→ Astronomy |
| POMin |
Publications of the Astronomical Observatory University of Minnesota |
In English |
→ Serial publications, periodicals
→ Astronomy |
| POPad |
Pubblicazioni dell'Osservatorio Astronomico di Padova |
In Italian |
→ Serial publications, periodicals
→ Astronomy |
| POPal |
Pubblicazioni dell'Osservatorio Astronomico di Palermo |
In Italian |
→ Serial publications, periodicals
→ Astronomy |
| POPar |
Publication de l'Observatoire de Paris |
In French |
→ Serial publications, periodicals
→ Astronomy |
| POrCo |
Progress in Organic Coatings |
In English |
→ Serial publications, periodicals
→ Materials science |
| POStr |
Publication de l'Observatoire de Strasbourg |
In French |
→ Serial publications, periodicals
→ Astronomy |
| POTor |
Pubblicazioni Varie Fuori Serie dell'Osservatorio Astronomico di Torino |
In Italian |
→ Serial publications, periodicals
→ Astronomy |
| POTou |
Publications de l'Observatoire de Toulouse |
In French |
→ Serial publications, periodicals
→ Astronomy |
| POVRO |
Publications of the Owens Valley Observatory |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PPCAS |
Publication of the Pomona College Astronomical Society |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PPCF |
Plasma Physics and Controlled Fusion (www.iop.org/EJ/journal/PPCF) |
In English |
→ Serial publications, periodicals
→ Plasma physics
→ Nuclear technology |
| PPcPp |
Progress in Photochemistry and Photophysics |
In English |
→ Serial publications, periodicals
→ Electromagnetism |
| PPEE |
Periodica Polytechnica Electrical Engineering |
In English |
→ Serial publications, periodicals
→ Electrical engineering |
| PPGeo |
Progress in Physical Geography |
In English |
→ Serial publications, periodicals
→ Geography |
| PPHTS |
Physical Properties of High Temperature Superconductors |
In English |
→ Serial publications, periodicals
→ Physics |
| PPME |
Periodica Polytechnica Mechanical Engineering |
In English |
→ Serial publications, periodicals
→ Mechanical engineering |
| PPMtO |
Publications of the Purple Mountain Observatory |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PPN |
Physics of Particles and Nuclei |
In English |
→ Serial publications, periodicals
→ Nuclear, atomic, and molecular physics |
| PPS |
Proceedings of the Physical Society |
In English |
→ Serial publications, periodicals
→ Physics |
| PPSL |
Proceedings of the Physical Society of London |
In English |
→ Serial publications, periodicals
→ Physics |
| PPTE |
Periodica Polytechnica Transportation Engineering |
In English |
→ Serial publications, periodicals
→ Vehicle engineering
→ Transport and postal services |
| PPTEn |
Polymer-Plastics Technology and Engineering |
In English |
→ Serial publications, periodicals
→ Chemical technology
→ Plastic industry |
| PQE |
Progress in Quantum Electronics |
In English |
→ Serial publications, periodicals
→ Physics
→ Electronics |
| PrAA |
Progress in Astronautics and Aeronautics |
In English |
→ Serial publications, periodicals
→ Aeronautics, aircraft
→ Spaceflight engineering, astronautics |
| PrAeS |
Progress in Aerospace Sciences |
In English |
→ Serial publications, periodicals
→ Astronomy
→ Aeronautics, aircraft
→ 6297 |
| PrAst |
Practical Astronomy |
In English |
→ Serial publications, periodicals
→ Astronomy |
| PRCO |
Publications of the Riverview College Observatory |
In English |
→ Serial publications, periodicals
→ Astronomy |
