Party Group Switching in the European Parliament
In Legislative Party Switching and the Foundations of Political Parties, eds. William Heller and Carol Mershon. New York: Palgrave Macmillan. pp. 147–172 2009
In Legislative Party Switching and the Foundations of Political Parties, eds. William Heller and Carol Mershon. New York: Palgrave Macmillan. pp. 147–172 2009