@book{20524,
	author = {Instituto Nacional de Normalización (INN).},
	title = {Arquitectura y construcción - Coordinación modular - Vanos y cerramientos = Architecture and building - Modular coordination - Openings and closures /},
	publisher = {Instituto Nacional de Normalización (INN),},
	year = {1972.},
	address = {Santiago :}
}