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Are you Jeffrey R. Powell, author of the books below?
Three Mosquitoes by Jeffrey R. Powell Progress and Prospects in Evolutionary Biology by Jeffrey R. Powell Progress and Prospects in Evolutionary Biology by Jeffrey R. Powell Response of fish communities to cropland density and natural ... by Jeffrey R. Powell Response of fish communities to cropland density and natural ... by Jeffrey R. Powell Drosophila Inversion Polymorphism by Costas B. Krimbas


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