@book{5525,
	author = {Purcell, Edward M.},
	title = {Electricity and magnetism /},
	publisher = {Cambridge University Press,},
	year = {[2013]},
	address = {Cambridge :},
	edition = {Third edition.},
	url = {http://assets.cambridge.org/97811070/14022/cover/9781107014022.jpg}
}