@book{103480,
	author = {Headrick, Daniel R.},
	title = {Technology :},
	publisher = {Oxford University Press,},
	year = {2009.},
	series = {The new Oxford world history},
	address = {Oxford ;},
	url = {http://www.loc.gov/catdir/enhancements/fy0916/2008033426-b.html}
}
