TY  - BOOK
ED  - Bureau of Indian Standards                                                                                                                                                                                                                                     . 
TI  - Recommendations for orientation of building, IS 7662(Part 1)-1974 / 
U1  - 721.011 
PY  - 1989///
CY  -  : 
PB  - Bureau of Indian Standards , 
ER  -