TY  - BOOK
ED  - Indian Standards Institution                                                                                                                                                                                                                                   . 
TI  - Code of practice for design of cross drainage works IS:7784(partII/sec 4)-1980 
U1  - 626.823 
PY  - 1981///
CY  - New Delhi : 
PB  - Indian Standards Institution , 
ER  -