TY  - RPRT
TI  - Circular of the Bureau of Standards no. 137: auxiliary condensers and loading coil used with simple homemade radio receiving outfits
PY  - 1923
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS CIRC 137
DO  - 10.6028/NBS.CIRC.137
ER  -