TY  - BOOK
AU  - Thompson, T.E.
TI  - British opisthobrauch molluscs; mollusca, gastropoda keys and notes for the identification of the species
U1  - 594 T39B 
PY  - 1976///
CY  - London
PB  - Academic Pr.
KW  - MOLLUSKS
KW  - OPISTHOBRAUCHIATA
ER  -