1. Baldwin, R., Widgrén, M., 2004. Winners and Losers Under Various Dual Majority Rules for the EU Council of Ministers. CEPR Discussion Paper 4450. Centre for Economic Policy Research, London.
2. Weighted voting doesn’t work: a mathematical analysis;Banzhaf, III;Rutgers Law Review,1965
3. Who has the power in the EU?;Barr;Mathematical Social Sciences,2009
4. Barthelemy, F., Martin, M., 2011. A comparison between the methods of apportionment using power indices: the case of the US presidential elections.
5. Bräuninger, T., König, T., 2005. Indices of Power IOP 2.0 [computer program]. University of Konstanz. Konstanz.