Duellman, William Edward  1930- <br/><br/>
A distributional study of the amphibians of the isthmus of Tehuantepec, México / 
by William E. Duellman. 
 -- Lawrence :   University of Kansas,   1960 
 - P. 19-72 
<br/><br/> Separata de : University of Kansas Publications. Vol. 13, n. 2 (1960) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Anfibios<br/>Istmo de Tehuantepec ( México )
<br/><br/><label>Universal Decimal Class. No.: </label>597.6(727.3)