@book{21492,
	author = {Palacios Garzón, Daniel Antonio and Jaimez Duran, Wilfredy},
	title = {Programación visual basic orientada al control de puertos /},
	publisher = {Corporación Unificada Nacional de Educación Superior,},
	year = {2007.},
	address = {Bogotá (Colombia) :},
	edition = {                   }
}