Nybakken, James Willard. Diversity of the invertebrates : a laboratory manual / James W. Nybakken, James L. McClintock. - Dubuque, IA : Wm. C. Brown Publishers, 1997. - xvi, 304 p. : ill. ; 28 cm. 'Gulf of Mexico version.' Includes index. ISBN: 0697151239 RM170.10 LCCN: 96-083888 Subjects--Topical Terms: Invertebrates--Laboratory manuals