CeronA (2013a) Brave rebels stay home: Assessing the effect of intra-party ideological heterogeneity and party whip on roll-call votes. PartyPolitics. Epub ahead of print 24 January 2013. DOI: 10.1177/1354068812472581.
2.
CeronA (2013b) The politics of fission: Analysis of faction breakaways among Italian parties (1946-2011). British Journal of Political Science. DOI: 10.1017/S0007123413000215.