@book{49848,
	author = {Polo Díez, Marcial. and Sindicato Vertical del Olivo.},
	title = {La coyuntura general de las grasas y aceites / },
	editor = {Ibarra)},
	publisher = {Sindicato Vertical del Olivo, },
	year = {1950 (},
	address = {Madrid : }
}