TY  - BOOK
ED  - Indian standards institution                                                                                                                                                                                                                                   . 
TI  - Code of practice for drainage system for earth and rockfill dams,IS:9429-1980 
U1  - 627.824 
PY  - 1980///
CY  - New Delhi : 
PB  - Indian standards institution , 
ER  -