@book{10272,
	author = {Lang, J G.},
	title = {The electric field /},
	publisher = {Heyden & Sons Ltd,,},
	year = {1989.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/B00806N846/chopaconline-20}
}