@book{6577,
	author = {Bell, David A.},
	title = {Laboratory manual electric circuits /},
	publisher = {Oxford University Press,},
	year = {1998.},
	address = {[S.l.] :},
	edition = {6th ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0968250246/chopaconline-20}
}