| Acronym | Meaning |
| CISTI | Canadian Institute For Scientific And Technical Information |
| LREE | Light Rare Earth Element(s) |
| MGS/TES | Mars Global Surveyor Thermal Emission Spectrometer |
| USBM | US Bureau Of Mines |
| CSRS | Cooperative State Research Service (US Dept. Of Agriculture) |
| SRBSN | Sintered Reaction-bonded Silicon Nitride |
| FRS | Forced Rayleigh Scattering |
| CODATA | Committee On Data For Science And Technology |
| DCA | Discriminant Component Anal. |
| FSMRCC | Fock Space Multireference Coupled Cluster |