Herschy,R.W. Hydrometry : principles and practices / edited by R.W. Herschy. - 2nd ed. - New York : John Wiley, c1999. - vi, 376 p. : ill., maps ; 25 cm. ISBN: 0471973505 (acid-free paper) Subjects--Topical Terms: Stream measurements.Hydraulic measurements. Dewey Class. No.: 627.120 HER