@book{138016,
	author = {Pursell, Carroll W. and Lemelson Center.},
	title = {A hammer in their hands},
	publisher = {MIT Press,},
	year = {c2005.},
	address = {Cambridge, Mass. :},
	note = {"Published in cooperation with the Lemelson Center for the Study of Invention and Innovation at the Smithsonian Institution."},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10173531}
}