@book{26014,
	author = {Pérez Ll. Kreemly and León R. , Basilio de},
	title = {Física elemental /},
	editor = {Editora Amigo del Hogar},
	publisher = {Editora De la Salle,},
	year = {1974.},
	address = {Santo Domingo :},
	edition = {4a ed. ampl. y corr.}
}