TY  - BOOK
ED  - Indian Standard Institution                                                                                                                                                                                                                                    . 
TI  - Guidelines for assessement of seepage losses from canals by analytical method IS: 9447-1980 
U1  - 626.212 
PY  - 1980///
CY  - New Delhi : 
PB  - Indian Standards Institution , 
ER  -