1. Left-of-Centre Parties and Trade Unions in the Twenty-First Century
2. Allinger , B. 2013 Austria-Social partners' involvement in the reforms of pension systems Eurofound https://www.eurofound.europa.eu/observatories/eurwork/comparative-information/national-contributions/austria/austria-social-partners-involvement-in-the-reforms-of-pension-systems
3. Choosing the path of austerity: How parties and policy coalitions influence welfare state retrenchment in periods of fiscal consolidation;Armingeon;West European Politics,2016
4. AWVN 2014 Algemene benchmark Pensioen, 2014 https://www.awvn.nl/actueel-site/Documents/Algemene%20benchmark%20Pensioen%202014%20(2).pdf
5. Blank , F. 2016 Unemployment and pension protection in Europe: The changing role of the social partners Germany, OSE research paper No. 29