00000cam a22000004a 4500 UP-8027390931313440868 Buklod 20070912121641.0 m |o d | ta 031010s1978 xx |||| r |||| u| d (iLib)UPVIS-00000015398 01/14/04 ess QH541 K67 Krebs, Charles J. Ecology the experimental analysis of distribution and abundance/ Charles J. Krebs. 2nd ed. New York Haper & Row Pub. 1978. n. p. Ecology. Population biology. Biogeography. UPVIS UPV-ML QH541 .K67 Book