2010, Part of book or chapter of book (Deemen, A. van; Rusinowska, A. (ed.), Collective Decision Making: Views from Social Choice and Game Theory, pp. 69-85)
2003, Part of book or chapter of book (Swart, H. de; Orlowska, E.; Schmidt, G. (ed.), Theory and applications of relational structures as knowledge instruments - series: lecture notes in computer science, pp. 148-198)