TY  - RPRT
TI  - Standard Reference Materials : Uranium isotopic standard reference materials (certification of uranium isotopic standard reference materials)/
AU  - Machlan, L A
AU  - Garner, E L
PY  - 1971
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NBS SP 260-27
DO  - 10.6028/NBS.SP.260-27
ER  -