@book{111990,
	author = {Newton, Isaac  and Solís Santos, Carlos,},
	title = {Optica o Tratado de las reflexiones, refracciones, inflexiones y colores de la luz / },
	publisher = {Alfaguara, },
	year = {1977.},
	series = {Clásicos alfaguara},
	address = {Madrid : }
}