TY  - RPRT
TI  - Circular of the Bureau of Standards no. 490: the Geiger-Müller counter
AU  - Curtiss, Leon F
PY  - 1950
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 490
DO  - 10.6028/NBS.CIRC.490
ER  -