Duellman, William Edward,  1930- <br/><br/>
Biology of amphibians / 
by William E. Duellman, Linda Trueb ; illustrated by Linda Trueb 
 - New York :  McGraw-Hill,  1986 
 - xvii, 670 p.;  26 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0070179778