TY  - RPRT
TI  - State weights and measures laboratories: program handbook 
AU  - Opperman, H V
AU  - Taylor, J K
PY  - 1985
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS HB 143
DO  - 10.6028/NBS.HB.143
ER  -