00438cam a2200169 4500 DLC 591 SAU 1970 A080 Or. Hazen, William E. Readings in population and community ecology 2d ed. Philadelphia, Saunders, 1970. ix, 421 p. illus. 26 cm. Biotic communities. Population biology. Ecology. EK 15656 15656 0 0 0 591_000000000000000_SAU_1970_A080_OR 0 69242 LBA LBA A080 2017-12-05 591 SAU 1970 A080 Or. A09073 2017-12-05 2017-12-05 EK