@book{22728,
	author = {Ridley, John},
	title = {Health and safety ... in brief /},
	publisher = {Elsevier Butterworth-Heinemann,},
	year = {2004},
	address = {Oxford, UK:},
	edition = {3rd ed.},
	url = {http://www.loc.gov/catdir/toc/els051/2004050287.html}
}