@book{17243,
	author = {Instituto Nacional de Normalización (INN).},
	title = {Uniones entre accesorios y tubos de presión de polietileno (PE) - ensayo de estanqueidad en tubo sometido a curvatura = Assembled joints between fittings and polyethylene (PE) pressure pipes - test of leakproofness under internal pressure when subjected to bending /},
	publisher = {Instituto Nacional de Normalización (INN),},
	year = {1976.},
	address = {Santiago :}
}