@book{132811,
	author = {Schiller, John J. and Wurster, Marie A.},
	title = {College algebra and trigonometry},
	publisher = {Kendall/Hunt Pub. Co.},
	year = {c1991.},
	address = {Dubuque,Iowa},
	edition = {2nd. ed.},
	note = {Includes index.}
}