@book{3949,
	author = {Ball, Larry L.},
	title = {Cost-Efficient Network Management /},
	publisher = {Mcgraw-Hill (Tx),},
	year = {1991.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/0070034842/chopaconline-20}
}