PARKAR,T.J. Textbook of zoology: invertebrates T.Jeffery Parker and William Haswell; edited by A.J.Marshall and W.D.Williams - 7th ed. - London Macmillan 1972 - xix,870p. ill. ISBN: 333-14107-5 Subjects--Topical Terms: INVERTEBRATES Dewey Class. No.: ZOO 592 / PTn72