Ernst Mayr <br/><br/>
Principles of systematic zoology 

 - New York<br/>  McGrawHill  1991 
 - 475p. 
<br/><br/><label>ISBN: </label>0071127011 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology
<br/><br/><label>Dewey Class. No.: </label>591.012  / MAY