The IUCN amphibia - reptilia red data book / 
compiled by Brian Groombridge. 
 - Gland, Switzerland :  IUCN,  1982. 
 - xliii, 426 p. :  ill. ;  23 cm. 
<br/><br/> part 1 - Testudines crocodylia rhynchocephalia 
<br/><br/>p. 411-413 
<br/><br/><label>ISBN: </label>288032601X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Amphibians.