Mazzoleni, O. Political achievements, party system changes and government participation: The case of the 'New' Swiss People's Party. Absorbing the blow : populist parties and their impact on parties and party systems.

Mazzoleni, Oscar. "Political Achievements, Party System Changes and Government Participation: The Case of the 'New' Swiss People's Party." Absorbing the Blow : Populist Parties and Their Impact on Parties and Party Systems .

Mazzoleni, Oscar. "Political Achievements, Party System Changes and Government Participation: The Case of the 'New' Swiss People's Party." Absorbing the Blow : Populist Parties and Their Impact on Parties and Party Systems, .