TY  - RPRT
TI  - Circular of the Bureau of Standards no. 476: measurements of radioactivity
AU  - Curtiss, Leon F
PY  - 1949
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 476
DO  - 10.6028/NBS.CIRC.476
ER  -