TY  - RPRT
TI  - Maximum permissible amounts of radioisotopes in the human body and maximum permissible concentrations in air and water 
PY  - 1953
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS HB 52
DO  - 10.6028/NBS.HB.52
ER  -