@book{20923,
	author = {Wildi, Theodore and Wildi, Theodore},
	title = {Electrical machines, drives, and power systems /},
	publisher = {Prentice Hall,},
	year = {c1991},
	address = {Englewood Cliffs, N.J. :},
	edition = {2nd ed.},
	note = {Rev. ed. of: Electrical power technology. c1981}
}