Krebs, Charles J. . Ecology : the experimental analysis of distribution and abundance / Charles J Krebs. - 3rd / . - New York : Harper and Row , 1982. - 800p. : ill,Char.Phot. ; 25cm. . Includes bibliography and index ISBN: 0060437782 NULL Subjects--Index Terms: ECOLOGY Dewey Class. No.: 577 / KRE/E