TY  - BOOK
ED  - Indian standards institution                                                                                                                                                                                                                                   . 
TI  - Guide lines for lining of canals in expensive soils, 9451-1985 / 
U1  - 626.823 
PY  - 1985///
CY  - New Delhi : 
PB  - Indian standards institution , 
ER  -