@book{11269,
	author = {Enger, Eldon D. and Kormelink, Richard J.},
	title = {Concepts in biology/},
	publisher = {Wm. C. Brown Publishers,},
	year = {1991.},
	address = {Dubuque, IA:},
	edition = {Sixth edition.},
	note = {Includes index.}
}