@book{5701,
	author = {Salas, Saturnino L. and Salas, Charles G.},
	title = {Preparation for calculus /},
	publisher = {Wiley,},
	year = {c1985.},
	address = {New York :},
	edition = {3rd ed.},
	note = {Rev. ed. of: Precalculus. 2nd ed. c1979.}
}