TY  - BOOK
AU  - Hyman,Libbie Henrietta
TI  - The invertebrates: acanthocephala, aschel minthes, and entoprocta, the pseudocoelomate bilateria
U1  - 592 
PY  - 1951///
CY  - New York
PB  - McGraw- Hill Company
KW  - Invertebrates
KW  - Pseudocoelomate bilateria -  Phylum acanthocephala
KW  - Pseudocoelomate bilateria - Phylum aschelminthes
KW  - Pseudocoelomate bilateria - Phylum entoprocta
ER  -