Savage, Jay Mathers. <br/><br/>
The geographic distribution of frogs :  patterns and predicitions / 
Jay M. Savage. 
 - Columbia :  University of Missouri Press,  1973. 
 - pp. [351]-445 :  il., mapas ;  26 cm. 
<br/><br/>Bibliografía: p. 443-445. 
<br/><br/><br/>Inglés 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Frogs.
<br/><br/><label>Subjects--Index Terms: </label>Ranas. 
<br/><br/><label>LC Class. No.: </label>QL668E2  / S23 
<br/><br/><label>Dewey Class. No.: </label>597.8