@book{124774,
	author = {Bunch, Bryan H. and Hellemans, Alexander, and ebrary, Inc.},
	title = {The history of science and technology},
	publisher = {Houghton Mifflin,},
	year = {2004.},
	address = {Boston :},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10190409}
}