TY  - BOOK
ED  - Bureau of Indian Standards                                                                                                                                                                                                                                     . 
TI  - Recommendations for modular co-ordination in building industry: Vertical co-ordination 7922-1987 / 
U1  - 721.013 
PY  - 1987///
CY  -  : 
PB  - Bureau of Indian Standards , 
ER  -