TY  - BOOK
AU  - Libble Henrietta Hyman
TI  - Invertebrates Vol.1: Protozoa through ctenophora
U1  - 592  HYM-I.1 
PY  - 1940///
CY  - New York
PB  - McGraw-Hill 
KW  - Invertebrates
KW  - Zoology
ER  -