@book{12879,
	author = {Demana, Franklin D.,},
	title = {Precalculus :},
	publisher = {Addison-Wesley Pub. Co.,},
	year = {c1997.},
	address = {Reading, Mass. :},
	edition = {3rd ed.},
	note = {Rev. ed. of Precalculus / Franklin Demana, Bert K. Waits, Stanley R. Clemens. 2nd ed. c1993.}
}