@book{812,
	author = {Durney, Carl. H},
	title = {Electric Circuits: theory and engineering applications },
	publisher = {Holt-Saunders (Japan),},
	year = {1982.},
	address = {[S.l.] :},
	edition = {International edition.},
	url = {http://www.amazon.com/exec/obidos/ASIN/4833700883/chopaconline-20}
}