Viessman, Warren. Introduction to hydrology / by Warren Viessman, Jr., Terence E. Harbaugh and John W. Knapp. - New York : Intext Educational Publishers, 1972. - 415 p. : ill. ; 24 cm. Buku bacaan asas fakulti. Includes bibliographical references. ISBN: 0700224033 Subjects--Topical Terms: Hydrology.