@book{129133,
	author = {Parramon, Jose Maria},
	title = {Luz y sombra en dibujo artístico},
	publisher = {Instituto Parramón Ediciones},
	year = {1970.},
	series = {Aprender haciendo},
	address = {Barcelona},
	edition = {5 ed.},
	note = {On spine : Luz y sombra en dibujo y pintura.}
}