Invertebrates III: Acanthocephala, Aschelminthes, and Entoprocta the Pseudocoelomate Bilateria - HYMAN (L H) (New York Mc Graw Hill Book Co., 1951)
Keywords: the; Pseudocoelomate; Invertebrates; III; Entoprocta; Bilateria; Aschelminthes; and; Acanthocephala