Odum, Eugene P. Fundamentals of ecology / Eugene P. Odum, Gary W. Barrett. - 5th ed. - Belmont, CA : Thomson Brooks/Cole, c2005. - xviii, 598 p. : ill. (some col.), maps ; 21 x 26 cm. ISBN: 9780534420666 LCCN: 2004101400 Dewey Class. No.: 575.574 / ODU