Varshney, R.S. Gupta, S.C. Gupta, R.L. Theory and design of irrigation structures /R.S. Varshney, S.C. Gupta and R.L. Gupta - 3rd ed. - [S.l] New Chand & Bros Roorkee 1977 - 292 p. Subjects--Topical Terms: Irrigation Dewey Class. No.: 631.587 / VAR