TY  - BOOK
AU  - Cameron, Robert Andrew Duncan
AU  - Redfern, Margaret
TI  - British land snails: Mollusca: Gastropoda; keys and notes for the identification of the species 
T2  - Synopses of the British fauna (New series)
SN  - 0121570509
PY  - 1976///
CY  - London : 
PB  - Academic Press
ER  -