Mattison, Christopher <br/><br/>
Frogs & toads of the world / 
 Frogs and toads of the world 
Chris Mattison 
 - New York :  Facts on File,  1987 
 - 191 p. :  ill. ;  25 cm. 
<br/><br/>Bibliography : p.181-185 
<br/><br/><label>ISBN: </label>081601602X 0713718250 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Frogs<br/>Toads