Smith, T. M. 1955- Elements of ecology / Thomas M. Smith, Robert Leo Smith. - 8th ed. - San Francisco : Pearson Benjamin Cummings, c2012. - xx, 612, [70] p. : ill. (chiefly col.), col. maps ; 28 cm. ISBN: 9780321736079 (pbk.) LCCN: 2011015962 Subjects--Topical Terms: Ecology. LC Class. No.: QH541 / .S624 2012 Dewey Class. No.: 577SMI / 1