TY  - RPRT
TI  - Report of the 55th national conference on weights and measures 1970 
AU  - Bell, Frances C
AU  - Wollin, Harold F
PY  - 1971
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS SP 342
DO  - 10.6028/NBS.SP.342
ER  -