TY  - BOOK
ED  - Indian standards institution                                                                                                                                                                                                                                   . 
TI  - Code of practice for building drainage (second revision)   IS:1742-1983 / 
U1  - 696.12 
PY  - 1994///
CY  - New Delhi : 
PB  - Indian standards institution , 
ER  -