TY  - BOOK
AU  - Purchon,R.D.
TI  - The biology of the mollusca
T2  - International series of monographs in pure applied biology,division
SN  - 0-08-021028-7
AV  - QL403 P87 1977
PY  - 1977///
CY  - New York
PB  - Pergamon
ER  -