TY  - BOOK
AU  - Hyman Libbie Henrietta
TI  - Invertebrates :Protozoa through ctenophora
T2  - Mcgraw-hill publications in the zoological sciences
U1  - K1, H0.1;3 
PY  - 1940///
CY  - New York 
PB  - McGraw-hill      
KW  - Invertebrates
ER  -