@book{4207,
	author = {Dugan, Roger C. and McGranaghan, Mark F.},
	title = {Electrical Power Systems Quality},
	publisher = {McGraw-Hill Professional,},
	year = {2012.},
	address = {[S.l.] :},
	edition = {3rd ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0071761551/chopaconline-20}
}