Encyclopedia of reptiles, amphibians and other cold-blooded animals. 
Introduction by Dr Maurice Burton. 
 - London :  Octopus Books limited,  1975. 
 - 252 p. :  ill. ;  29 cm. 
 - 598.1(03) .
<br/><br/><label>ISBN: </label>0706404580 
<br/><br/><label>Universal Decimal Class. No.: </label>598.1(03)