Ricklefs, Robert E. The economy of nature : a textbook in basic ecology / Robert E. Ricklefs. - Portland, Or. : Chiron Press, c1976. - v, 455 p. : ill. ; 25 cm. Includes index. Bibliography: p. 430-440. ISBN: 0913462047 Subjects--Topical Terms: Ecology. LC Class. No.: QH541 / .R54