TY  - BOOK
AU  - Varshney, R.S.
AU  - Gupta,R L.
AU  - Gupta,S.C.
TI  - Theory and design of irrigation structures: channels and tube wells, Vol.I / 
U1  - 631.587 
PY  - 1992///
CY  - Roorkee : 
PB  - Nem Chand And Bros , 
ER  -