@book{12190,
	author = {Roberts, J. M.},
	title = {Penguin history of the world, the /},
	publisher = {Penguin Books,},
	year = {1995.},
	address = {London :},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy0639/93014431-d.html}
}