Endler John A <br/><br/>
Geographic variation speciation and clines 
Endler John A 
 -  1967 
<br/><br/><label>Standard No.: </label>88,845 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BIOGEOGRAPHY
<br/><br/><label>Dewey Class. No.: </label>U.3, L7