TY  - BOOK
AU  - Hyman, Libbie Henrietta
TI  - Invertebrates, Vol.2: Platyhelminthes and rhynchocoela the acoelomate bilateria
U1  - HYM-I.2 
PY  - 1951///
CY  -  New York
PB  - McGraw-Hill Book Company
KW  - Invertebrates; Zoology
ER  -