TY  - BOOK
AU  - Hyman, Libbie Henrietta
TI  - Invertebrates
PY  - 1955///
CY  - New York: 
PB  - McGraw-Hill Book Company, Inc., 
KW  - Science
N1  - Vol. 4 (Echinodermata: the coelomate bilateria); vii, 763p
ER  -