01420cam a2200337 i 4500 4664056 BD-DhUL 20141209110150.0 801121s1981 nyua b 101 0 eng 80039632 0125196407 DLC DLC DLC BD-DhUL QH545.N3 S65 1980 575 19 NIB Spring Systematics Symposium (3rd : 1980 : Field Museum of Natural History) Biotic crises in ecological and evolutionary time / edited by Matthew H. Nitecki. New York : Academic Press, c1981. xii, 301 p. : ill. ; 24 cm. US$ 64.35 "Proceedings of the third annual Spring Systematics Symposium: Biotic Crises in Ecological and Evolutionary Time, held at the Field Museum of Natural History, Chicago, Illinois, May 10, 1980, sponsored by the Field Museum of Natural History and the National Science Foundation. Includes bibliographical references and indexes. Bibliography: p. Natural disasters Environmental aspects Congresses. Evolution (Biology) Congresses. Ecology Congresses. Nitecki, Matthew H. Field Museum of Natural History. National Science Foundation (U.S.) 7 cbc orignew u ocip 19 y-gencatlg ddc BK 21861 21861 0 0 ddc 0 575_000000000000000_NIB 0 NFIC 42002 DUSL DUSL GEN 2014-12-09 575 NIB A213565 2014-12-09 2014-12-09 BK