@book{7330,
	author = {Fernández, José S},
	title = {Física elemental.},
	publisher = {Nigar,},
	year = {1981.},
	address = {Buenos Aires :},
	edition = {7a ed.},
	note = {V.1 Mecánica, acústica, calor V.2 Optica, magnetismo, electricidad.}
}