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Doing Justice to Logical Remainders in QCA: Moving Beyond the Standard Analysis. Political Research Quarterly. 2013;66(1):211-20.
Are We All Set? Newsletter of the APSA Organized Section for Qualitative & Multi-Method Research. 2013;11(Spring):5-8.
Fuzzy Set are Sets: A Reply to Goertz and Mahoney. Newsletter of the APSA Organized Section for Qualitative & Multi-Method Research. 2013;11(Spring):19-22.
Set-Theoretic Methods for the Social Sciences: A Guide to Qualitative Comparative Analysis. Cambridge: Cambridge University Press; 2012.
Standards of Good Practice in Qualitative Comparative Analysis (QCA) and Fuzzy-Sets. Comparative Sociology. 2010;9:397-418.
Qualitative Comparative Analysis (QCA) and Fuzzy-Sets: Agenda for a Research Approach and a Data Analysis Technique. Comparative Sociology. 2010;9:376-96.
Standards guter Praxis in Qualitative Comparative Analysis (QCA) und Fuzzy-Sets. In: Pickel G, hans-Joachim Lauth, Jahn D, editors. Neue Entwicklungen und Anwendungen auf dem Gebiet der Methoden der vergleichenden Politik- und Sozialwissenschaft. Wiesbaden: VS-Verlag; 2009. p. 387-412.
Qualitative Comparative Analysis (QCA) und Fuzzy Sets. Ein Lehrbuch fur Anwender und alle, die es werden wollen. Opladen and Farmington Hills: Verlag Barbara Budrich; 2007.
Reducing Complexity in Qualitative Comparative Analysis (QCA): Remote and Proximate Factors and the Consolidation of Democracy. European Journal of Political Research. 2006;45:751-86.
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