2001, Part of book or chapter of book (Geenhuizen, M. van; Ratti, R. (ed.), Gaining advantage from open borders, an active space approach to regional development, pp. 123-146)
2001, Part of book or chapter of book (Reuber, Paul; Wolkersdorfer, Günter (ed.), Politische Geographie. Handlungsorientierte Ansätze und Critical Geopolitics, pp. 207-216)
2001, Part of book or chapter of book (Hamm, Rüdiger; Wenke, Martin (ed.), Europäische Grenzregionen - Brückenköpfe für die Integration regionaler Arbeitsmärkte?, pp. 143-163)
2000, Part of book or chapter of book (Boekema, F.W.M.; Bakkers, S.; Rutten, R. (ed.), Knowledge, Innovation and Economic Growth. The Theory and Practice of Learning Regions, pp. 3-17)