@book{287025,
	author = {Hewitt, Paul G. and Escalona y García, Héctor Javier},
	title = {Física conceptual / Paul G. Hewitt ...[et al]},
	publisher = {Addison Wesley Longman},
	year = {1999},
	address = {Naucalpan de Juárez},
	edition = {3a ed.}
}