TY  - BOOK
AU  - Hyman, L. H.
TI  - Invertebrates (vol-4): echinodermata the coelomate bilateria
T2  - 4
U1  - 592 
PY  - 1955///
CY  - New York
PB  - Mc Graw Hill Book Company
KW  - Zoonosis
KW  - Zoology -- Animals
N1  - Invertebrates, Zoology, Invertebrate biology, Animal taxonomy, Comparative anatomy
ER  -