Krebs, Charles J. Ecological methodology / Charles J. Krebs - 2nd ed. - California : Addision Wesley/Longman, c1998. - xii,620 p. : ill., figs., tabs. ; 24 cm. ISBN: 0321021738 LCCN: Subjects--Topical Terms: EcologyStatistical methods Ecology LC Class. No.: QH541.15 / .S72K74 1998 Dewey Class. No.: 577.0727 / K92e