TY  - RPRT
TI  - Absolute calibration of vibration standards by the three-mass reciprocity method 
AU  - Ramboz, John D
PY  - 1974
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 74-481
DO  - 10.6028/NBS.IR.74-481
ER  -