| CFIS | Calculateur du Fractionnement des Isotopes Stables = SIFC | Stable Isotope Fractionation Calculator | In English |
In French | |
| KAERI | Korea Atomic Energy Research Institute (www.kaeri.re.kr) | In English | → Research institutes |
| LDA | Local Density Approximation | In English | |
| LO | Local Orbitals | In English | |
| LSDA | Local Spin Density Approximation | In English | |
| SAERI | Seoul Atomic Energy Research Institute | In English | → Serial publications, periodicals |
| SIFC | Stable Isotope Fractionation Calculator = CFIS (look above) |
In English |