TY  - RPRT
TI  - Disclosures on various subjects: a frequency meter, a phase shifter, a double-tuned transformer, and a ram-controlled system.
PY  - 1964
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS TN 237
DO  - 10.6028/NBS.TN.237
ER  -