TY  - RPRT
TI  - Letter Circular 86: methods of measuring voltage amplification of amplifiers
PY  - 1925
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - LCIRC 86r1925
DO  - 10.6028/NBS.LCIRC.86r1925
ER  -