Ricklefs, Robert E The economy of nature : data analysis update / Robert E. Ricklefs ; with contributions by Matt R. Whiles - 5th ed - New York : W.H. Freeman, c2007 - xxvii, 550 p. : ill. (chiefly col.), col. maps ; 28 cm ISBN: 0716777622 (pbk.) 9780716777625 (pbk.) LCCN: 2006000000 Subjects--Topical Terms: Ecology Dewey Class. No.: 577.21 RIC / 1