Varshney, R.S.
Theory and design of irrigation structures: channels and tube wells, Vol.I / - 6 / - Roorkee : Nem Chand And Bros , 1992. - 567 ; .
631.587 / VAR/TH
Theory and design of irrigation structures: channels and tube wells, Vol.I / - 6 / - Roorkee : Nem Chand And Bros , 1992. - 567 ; .
631.587 / VAR/TH