Andrews, William A. A guide to the study of soil ecology. Editor: William A. Andrews. Contributing authors: Nancy D. Davies [and others] - Englewood Cliffs, N.J. Prentice-Hall [1973] - x, 198 p. illus. 23 cm. - Contours: Studies of the environment . 920504 Includes bibliographies. ISBN: 0133709736 0133709655 (pbk.) LCCN: 72011522 //r90 Subjects--Topical Terms: Soil ecology. LC Class. No.: QH541.5.S6 / A5 Dewey Class. No.: 574.5/26