TY  - RPRT
TI  - Precision measurement and calibration : selected NBS papers on electricity - radio frequency
AU  - Estin, Arthur J
PY  - 1970
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS SP 300v4
DO  - 10.6028/NBS.SP.300v4
ER  -