@book{94241,
	author = {Keedy, Mervin Laverne, and Bittinger, Marvin L.},
	title = {Introductory algebra},
	publisher = {Addison-Wesley Pub. Co.},
	year = {c1983.},
	address = {Reading, Mass.},
	edition = {4th ed.},
	note = {Includes index.}
}