Hall, Richard P. Protozoology. - New York Prentice-Hall 1953. - 682 p. illus. 24 cm. - Prentice-Hall animal science series . Includes bibliography. LCCN: 52014030 /L/r86 Subjects--Topical Terms: Protozoology LC Class. No.: QL366 / .H3 Dewey Class. No.: 593.1