@book{5523,
	author = {Frenzel, Louis E. and Piña García, Rodolfo, },
	title = {Electrónica aplicada a los sistemas de las comunicaciones /},
	publisher = {Alfaomega,},
	year = {2003.},
	series = {Alfaomega ; },
	address = {México :},
	edition = {3a ed.}
}