TY  - BOOK
AU  - Thompson,T.E.
AU  - Brown,Gregory H.
TI  - British opistobranch molluscs: keys and notes for the identification ofthe species 
T2  - Synopses of the british fauna
AV  - QL430.4 T46
PY  - 1976///
CY  - San Francisco, Calif.
PB  - Academic
N1  - Mollusca : Gasteropoda
ER  -