@book{74571,
	author = {Massachusetts Institute of Technology.},
	title = {Magnetic circuits and transformers;},
	publisher = {J. Wiley & Sons, inc.;},
	year = {[1943] 1957},
	series = {Its Principles of electrical engineering series},
	address = {New York :},
	note = {"A publication of the Technology Press, Massachusetts Institute of Technology."}
}