@book{48732,
	author = {Alarcón, Hugo and Zavala Enriquez, Genaro},
	title = {Introduccion a la física universtaria :},
	publisher = {Trillas :},
	year = {[2005]},
	address = {México, D. F. :},
	edition = {Preedición},
	note = {Publicada en diferentes reimpresiones.}
}