@book{557,
	author = {Grob, Bernard.},
	title = {Direct and Alternating Current Circuits : a conventional current version},
	publisher = {McGraw-Hill Education,},
	year = {1986.},
	address = {[S.l.] :},
	edition = {New Ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0071003916/chopaconline-20}
}