@book{5512,
	author = {Gelber, Stan. and Gelber, Stan.},
	title = {Data communications today : networks, the Internet, and the Enterprise },
	publisher = {Prentice Hall PTR,},
	year = {c1997.},
	address = {Upper Saddle River, N.J. :},
	edition = {2nd ed.},
	note = {Rev. ed. of: Introduction to data communications. c1991.}
}