TY  - RPRT
TI  - Calibration and related measurement services of the National Bureau of Standards 
AU  - Belanger, B C
PY  - 1978
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS SP 250e1978
DO  - 10.6028/NBS.SP.250e1978
ER  -