@book{161366,
	author = {Acarnley, P. P. and Institution of Electrical Engineers.},
	title = {Stepping motors :},
	publisher = {P. Peregrinus on behalf of the Institution of Electrical Engineers,},
	year = {1992.},
	address = {London :},
	edition = {3rd rev. ed.},
	note = {Includes index.}
}