TY  - RPRT
TI  - U.S. metric study interim report - testimony of nationally representative groups 
AU  - De Simone, Daniel V
PY  - 1971
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS SP 345-12
DO  - 10.6028/NBS.SP.345-12
ER  -