@book{8847,
	author = {Kessler, Gary C. and Southwick, Peter.},
	title = {RDSI, conceptos, funcionalidad y servicios /},
	publisher = {McGraw Hill Interamericana,},
	year = {2001.},
	series = {Biblioteca profesional},
	address = {Madrid :},
	note = {Incluye glosario e indice\ISDN: concepts, facilities and services.}
}