@book{1969,
	title = {A4 Estudio /},
	publisher = {Saint Gobain Argentina (Weber),},
	year = {2016.},
	series = {Colección el material de lo construido, 09.},
	address = {CABA:},
	url = {https://www.ar.weber/files/ar/2018-06/Material%20de%20lo%20Construido%209%20-%20A4%20Estudio_0.pdf}
}