TY  - BOOK
AU  - Ballasina,D.
TI  - Amphibians of Europe: a colour field guide 
SN  - 0715386034
PY  - 1984///
CY  - Newton Abbot
PB  - David & Charles
KW  - Amphibians
KW  - Europe
KW  - Identification
N1  - Bibliography : p. 127-128. - Includes index
ER  -