TY  - BOOK
AU  - Hyman, Libbie Henrietta
TI  - Invertebrates, Vol.4: Echinodermata the coelomate bilateria
U1  - HYM-I.4 
PY  - 1955///
CY  -  New York
PB  - McGraw-Hill Book Company
KW  - Invertebrates; Zoology
ER  -