TY  - BOOK
AU  - Rehder,Harald Alfred
TI  - The Audubon Society: field guide to North American Seashells 
T2  - The Audubon Society field guide ser
SN  - 0394519132
PY  - 1981///
CY  - New York
PB  - Knopf
KW  - Bryozoa
KW  - snails
ER  -