@book{128023,
	author = {Felix Estrada, Alejandro. and Oyarzabal Orueta, Juan de.},
	title = {Lecciones de física},
	publisher = {Compañia Editorial Continental},
	year = {1972.},
	address = {Mexico},
	edition = {2d ed., 4th impression.},
	note = {Includes index.}
}