@book{1143,
	author = {Watkins, A. J. and Kitcher, Christopher James.},
	title = {Electrical installation calculations.},
	publisher = {Newnes,.},
	year = {2006.},
	address = {Oxford :},
	edition = {6th ed. /},
	note = {Previous ed.: London: Arnold, 1999.},
	url = {http://www.loc.gov/catdir/enhancements/fy0664/2006279417-d.html}
}