@book{71073,
	author = {Gassiot Llorens, José ( and Pólit Buxareu, Isidro.},
	title = {Ejercicios y problemas de Física / },
	editor = {Tip. Catalana)},
	publisher = {Alma Mater, },
	year = {[1960] (},
	address = {Barcelona : },
	edition = {2ª ed.}
}