Pechenik, Jan A Biology of the invertebrates / Jan A. Pechenik - 3rd ed. - Dubuque, Iowa : Wm. C. Brown Publishers, 1996 - 554 p. : ill. ; 27 cm. ISBN: 0697137120 RM161.09 LCCN: 95-076168 Subjects--Topical Terms: Invertebrates