TY  - BOOK
AU  - United Nations
ED  - United Nations
TI  - World weights and measures:  Hand book for statisticians.   
T2  - Statistical papers series no.21
U1  - V1N45,93:3(B2897).4.N66s, K6/UN 
PY  - 1966///
CY  - New York
PB  - United Nations        
ER  -