@book{166676,
	author = {Manin, Bernard},
	title = {Democracy, accountability, and representation},
	publisher = {Cambridge University Press},
	year = {1999},
	series = {Cambridge Studies in the Theory of Democracy},
	address = {Cambridge (Inglaterra)},
	url = {http://www.loc.gov/catdir/toc/cam026/98050663.html}
}