@book{39274,
	author = {Fogel, Robert William. and National Bureau of Economic Research.},
	title = {Strategic factors in nineteenth century American economic history},
	publisher = {University of Chicago Press,},
	year = {c1992.},
	series = {National Bureau of Economic Research conference report},
	address = {Chicago :},
	note = {Papers presented at a conference held Mar. 2-3, 1991 in Cambridge, Mass.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10230027}
}