TY  - BOOK
AU  - Hyman, L.H.
TI  - The Invertebrates : Acanlhocephala, Aschelmintles & Entoprosta, The Pscudoeoelomate Bilateria Vol - III
U1  - 593 
PY  - 1951///
CY  - London
PB  - Macgraw Hill Book Company
ER  -