Hansen, Vaughn E. Irrigation principles and practices / Vaughn E. Hansen, Orson W. Israelsen, Glen E. Stringham. - 4th ed. - New York : Wiley, c1979. - 417 p. : ill. ; 24 cm. Third ed. by O. W. Israelsen and V. E. Hansen. ISBN: 0471030589 Subjects--Topical Terms: Irrigation.MCE Dewey Class. No.: 627.52 / HAN