Mayr, Ernst <br/><br/>
Evolution and the diversity of life: selected essays  Ernst Mayr. 

 - Cambridge, Mass.  Belknap Press of Harvard University Press  1976 
 - ix, 721p., ill. 
<br/><br/><label>ISBN: </label>0-674-27104-1. 
<br/><br/><label>Dewey Class. No.: </label>575,  / M50E