TY  - BOOK
AU  - Arthur,Alex
TI  - Shell / 
T2  - Eyewitness guides
SN  - 0863183417
U1  - 594.1477 
PY  - 1989///
CY  - London : 
PB  - Dorling Kindersley, 
KW  - Mollusca
KW  - Shells.
ER  -