Köhler, Gunther, <br/><br/>
The Amphibians and Reptiles of El Salvador : 

 -  Krieger Publishing Company,  2006. 
 - 256 pages 
<br/><br/><label>ISBN: </label>9781575242521 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nature.
<br/><br/><label>Dewey Class. No.: </label>597.909728  / KOH