Matalas, Nicholas C. 1930- Probability distribution of low flows / by Nicholas C. Matalas. - Washington: United States Government Printing Office, 1963. - iv, A27 p. : tables ; 29 cm. - 434 Statistical studies in hydrology . Includes bibliographical references (p. A27). Subjects--Topical Terms: Stream measurements--Statistical methodsDroughts--Statistical methods Dewey Class. No.: 550.8