@book{161636,
	author = {Cravens, Hamilton. and ebrary, Inc.},
	title = {Technical knowledge in American culture},
	publisher = {University of Alabama Press,},
	year = {c1996.},
	series = {History of American science and technology series},
	address = {Tuscaloosa :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10309840}
}