TY  - BOOK
AU  -  Barnes, Robert D
TI  - Invertebrate zoology 
SN  - 003008914x
U1  - 592 BAR 
PY  - 1987///.
CY  - Philadelphia : 
PB  - Saunders College Pub., 
KW  - Invertebrates
KW  - The lophophorates
N1  - Includes index.
ER  -