@book{65594,
	author = {Backhaus, Jurgen. and ebrary, Inc.},
	title = {Eugen Duhring (1833-1921) and the freedom of teaching and research},
	publisher = {Emerald Group Publishing,},
	year = {c2002.},
	series = {Journal of economic studies ;},
	address = {Bradford, England :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10052725}
}