TY  - BOOK
AU  - Hyman, Libbie
AU  - 
TI  - Invertibrates
U1  - 592 
PY  - 1955///
CY  - New York
PB  - McGraw-Hill
KW  - Invertebrate
KW  - invertibrates
KW  - invertibrate zoology
KW  - echinodermata
KW  - coelomate bilateria
N1  - v.4.Echinodermata, the coelomate bilateria
ER  -