@book{94702,
	author = {Salas, Saturnino L. and Hille, Einar.},
	title = {Calculus :},
	publisher = {Reverté,},
	year = {c2002},
	address = {Barcelona :},
	edition = {4 ed.},
	note = {Trad. de : Calculus. One and several variables 8 ed. c1999}
}