TY  - RPRT
TI  - Amplitude calibrator for oscilloscopes 
AU  - Andrews, James R
AU  - Baldwin, Eugene E
PY  - 1981
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 81-1646
DO  - 10.6028/NBS.IR.81-1646
ER  -