TY  - BOOK
AU  - Hyman, Libbie Henrietta
TI  - Invertebrates, Vol.2: Platyhelminthes and rhynchocoela the acoelomate bilateria
U1  - R  592  HYM-I.2 
PY  - 1951///
CY  - McGraw-Hill Book Co., New York
KW  - Invertebrates-- Zoology
ER  -