Andrews, William A. A guide to the study of freshwater ecology. Editor: William A. Andrews. Contributing authors: Daniel G. Stoker [and others] - Englewood Cliffs, N.J. Prentice-Hall [1972] - ix, 282 p. illus. - Contours: Studies of the environment . Cover title: Freshwater ecology. Includes bibliographical references. ISBN: 0133708667 0133707598 (pbk.) LCCN: 72000626 //r90 Subjects--Topical Terms: Freshwater ecology. LC Class. No.: QH541.5.F7 / A48 Dewey Class. No.: 574.5/2632