@book{38198,
	author = {Rios, Luis Alberto, and Franco Castrillón, Alexánder},
	title = {Espumas Rígidas de Poliuretano :},
	publisher = {Universidad de Antioquia,},
	year = {2012.},
	series = {Investigación / Ciencia y Tecnología},
	address = {Medellín :}
}