@book{BoLe08,
        title = {Against Intellectual Monopoly},
        author = {Michele Boldrin and David K. Levine},
        publisher = {Cambridge University Press},
        year = 2008,
        url = {http://levine.sscnet.ucla.edu/general/intellectual/againstfinal.htm},
        biburl = {http://www.bibsonomy.org/bibtex/2e26d7487a78652ace7ba9348124e786e/renew},
	keywords = {patents intellectual property}
}