@book{2989,
	author = {Kuhn, Thomas S.},
	title = {The structure of scientific revolutions /},
	publisher = {University of Chicago Press,},
	year = {1970.},
	address = {Chicago, IL :},
	edition = {2nd ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/description/uchi051/96013195.html}
}