TY  - BOOK
AU  - Bureau of Indian Standards
TI  - Datum and Datum Systems for Geometrical Tolerancing on Technical Drawings (IS : 10721 - 1983)
U1  - IS : 10721 - 1983 
PY  - 1984///
CY  - New Delhi
PB  - Bureau of Indian Standards
KW  - Indian Standard - IT
N1  - IS : 10721 - 1983
ER  -