@book{157481,
	author = {Landes, William M. and Posner, Richard A. and ebrary, Inc.},
	title = {The economic structure of intellectual property law},
	publisher = {Harvard University Press,},
	year = {2003.},
	address = {Cambridge, Mass. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10328824}
}