TY  - GEN
AU  - Mann, W B
C2  - , National Institute of Standards and Technology, Gaithersburg, MD
DA  - 1958-01-01 05:01:00
DO  - https://doi.org/10.6028/NBS.CIRC.594
LA  - en
PB  - , National Institute of Standards and Technology, Gaithersburg, MD
PY  - 1958
TI  - Circular of the Bureau of Standards no. 594::preparation, maintenance, and application of standards of radioactivity
ER  -