Ballasina, D. <br/><br/>
Amphibians of Europe :  a colour field guide / 
D. Ballasina translation by Jan Heyraert 
 - Newton Abbot :  David & Charles,  1984 
 - 132 p. :  ill., maps,  22 cm. 
<br/><br/>Bibliography : p. 127-128. - Includes index 
<br/><br/><label>ISBN: </label>0715386034 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Amphibians--Identification--Europe