@book{87728,
	author = {Purser, Michael and I. Duchén Sànchez, Gonzalo Issac, tr.  II. Solé, Josep, colab.Ì},
	title = {Comunicación de datos para programadores / Michael Purser},
	address = {México : Addison-Wesley Iberoamericana},
	note = {Título original: Data communications for programmers }
}