Brancati, Dawn (2009): Peace by Design, Oxford and New York, Oxford University Press.
Budge, Ian, David Robertson and Derek Hearl (1987): Ideology, strategy, and party change: spatial analyses of post-war election programmes...
Budge, Ian, Hans-Dieter Klingemann, Andrea Volkens, Judith Bara, and Eric Tanenbaum with Richard C. Fording, Derek J. Hearl, HeeMin Kim, MichaelMcDonald...
Castles, Francis and Peter Mair (1984): «Left-Right Political Scales: Some Expert Judgements», European Journal of Political Research, 12:...
Stokes, Donald (1963): «Spatial Models of Party Competition», The American Political Science Review, 57: 368-377.
Tronconi, Federico (2006): «Ethnic Identity and Party Competition. An Analysis of the Electoral Performance of Ethnoregionalist Parties in...
Van Biezen, Ingrid and Jonathan Hopkin (2006): «Party Organization in Multi-level Contexts», en Dan Hough and Charlie Jeffery, eds., Devolution...
Van Houten, Pieter (2002): Regional Assertiveness in Western Europe. Political Constraints and the Role of Party Competition, Doctoral dissertation,...
Volkens, Andrea (2001): «Manifesto Coding Instructions», WZB Discussion Papers, n. ° FS III: 1-41.