AU  - Varshney,R S  .
AU  - Gupta,S.C
AU  - Gupta,R.L
TI  - Theory and design of irrigation structures / 
U1  - 631.7 
PY  - 1972///
CY  - U.P : 
PB  - Nem Chand & Bros Roorkee , 
KW  - Irrigation & Water Conservation
ER  -