Berry J Brosi1, Paul R Ehrlich2. 1. Department of Environmental Sciences, Emory University, Atlanta, GA 30322; bbrosi@emory.edu. 2. Department of Biology, Stanford University, Stanford, CA 94305.
Authors: Taylor H Ricketts; Gretchen C Daily; Paul R Ehrlich; Charles D Michener Journal: Proc Natl Acad Sci U S A Date: 2004-08-11 Impact factor: 11.205