@book{572,
	author = {Mason, C. Russell.},
	title = {The Art and Science of Protective Relaying /},
	publisher = {Wiley,},
	year = {1956.},
	address = {[S.l.] :},
	edition = {1st ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0471575526/chopaconline-20}
}