@book{136063,
	author = {Gustafson, R. David and Frisk, Peter D.},
	title = {College algebra and trigonometry},
	publisher = {Brooks/Cole Pub. Co.},
	year = {c1986.},
	address = {Monterey, Calif.},
	edition = {2nd ed.},
	note = {Includes index.}
}