TY  - BOOK
AU  - Purchon,R.D.
TI  - The biology of the Mollusca
T2  - International series in pure and applied biology : Division, zoology
SN  - 0080210287
U1  - 594 
PY  - 1977///
CY  - Oxford, New York
PB  - Pergamon Press
KW  - Mollusks
ER  -