@book{1230,
	author = {Rieger, Heinz},
	title = {Power and Energy in Alternating Current Circuits.},
	publisher = {New Age International (P) Ltd.,},
	year = {1989.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/8122402305/chopaconline-20}
}