Krebs, Charles J.. Ecology : the experimental analysis of distribution and abundance / by Charles J. Krebs. - 6th ed / . - California : Benjamin-Cummings Publishings , 2009. - 655p. : figures,tables ; 27cm 1 CD . Includes index ISBN: 9780321507433 USD142.93 Subjects--Index Terms: ECOLOGY Dewey Class. No.: 577.8 / KRE/E