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Proceedings of the National Academy of Sciences of the United States of America|January 15, 1993
Double keystone bird in a keystone species complexG C Daily, P R Ehrlich, N M HaddadProceedings of the National Academy of Sciences of the United States of America|October 15, 1996
Nocturnality and species survivalG C Daily, P R EhrlichProceedings. Biological Sciences|September 22, 1990
An exploratory model of the impact of rapid climate change on the world food situationG C Daily, P R EhrlichScience (New York, N.Y.)|October 24, 1997
Population diversity: its extent and extinctionJ B Hughes, G C Daily, P R EhrlichScience (New York, N.Y.)|June 10, 2000
Economic incentives for rain forest conservation across scalesC Kremen, J O Niles, M G Dalton, et al.Proceedings of the National Academy of Sciences of the United States of America|May 10, 2001
Intervening in evolution: ethics and actionsP R EhrlichLe Journal Medical Libanais. the Lebanese Medical Journal|January 1, 1994
Recent advances in facial plastic and reconstructive surgeryN M HaddadScience (New York, N.Y.)|August 16, 1991
Biodiversity studies: science and policyP R Ehrlich, E WilsonPageof 4