TY  - RPRT
TI  - Circular of the Bureau of Standards no. 120: construction and operation of a simple homemade radio receiving outfit
PY  - 1922
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 120
DO  - 10.6028/NBS.CIRC.120
ER  -