@book{7420,
	author = {Say, M.G.},
	title = {Performance and design of alternating current machines /},
	publisher = {Pitman Publishing,},
	year = {1962.},
	series = {Engineering degree.},
	address = {[S.l.] :},
	edition = {3rd ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0273401998/chopaconline-20}
}