TY  - BOOK
AU  - Hyman, Libbie Henrietta
TI  - Invertebrates, Vol.4: Echinodermata the coelomate bilateria
U1  - 592  HYM-I.4 
PY  - 1955///
CY  - McGraw-Hill Book Co., New York
KW  - Invertebrates-- Zoology
ER  -