@book{23826,
	author = {Madison, Michael J.},
	title = {The Legitimacy of open source and other software licenses},
	publisher = {: University of Pittsburgh School of Law},
	year = {, 2005},
	series = {University of Pittsburgh School of Law Working Paper},
	address = {Berkeley},
	note = {Boletín nº 8},
	url = {http://law.bepress.com/cgi/viewcontent.cgi?article=1014&context=pittlwps}
}