Dobzhansky, Theodosius, Ed., et al. <br/><br/>
Evolutionary biology, Vol.2 

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 - Appleton-Century-Crofts, New York  1968 
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<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evolution and genetics
<br/><br/><label>Dewey Class. No.: </label>576  DOB-E.2