TY  - BOOK
AU  - HYMAN, L. H
TI  - The Invertebrates: protozoa through ctenophora
SN  - 070316600
U1  - ZOO 592 
PY  - 1940///
CY  - New York
PB  - McGrraw-Hill
KW  - PROTOZOA
KW  - INVERTEBRATES
ER  -