@book{24685,
	author = {Engemann, Joseph G. and Hegner, Robert William,},
	title = {Invertebrate zoology /},
	publisher = {Macmillan ;},
	year = {c1981.},
	address = {New York :},
	edition = {3rd ed.},
	note = {In the 2d ed. Hegner's name appeared first on t.p.}
}