TY  - RPRT
TI  - The international system of units (SI) 
AU  - Page, Chester H
AU  - Vigoureux, Paul
PY  - 1972
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS SP 330e1972
DO  - 10.6028/NBS.SP.330e1972
ER  -