@book{188546,
	author = {Hughes, Edward, and Brown, Keith,},
	title = {Hughes electrical and electronic technology /},
	publisher = {Pearson/Prentice Hall,},
	year = {2005.},
	address = {Harlow, England ;},
	edition = {9th ed.},
	url = {http://www.loc.gov/catdir/toc/ecip0816/2008017741.html}
}