2003, Part of book or chapter of book (Basin, D. (ed.), Theorem Proving in Higher Order Logics, 16th International Conference, TPHOLs 2003, pp. 205-220)
1999, Article in monograph or in proceedings (U. Berger; H. Schwichtenberg (eds.), Computational logic : [proceedings of the NATO Advanced Study Institute on Computational Logic, held in Marktoberdorf, Germany, July 29 - August 10, 1997], pp. 99-111)
2011, Part of book or chapter of book (Eekelen, M. Van; Geuvers, H.; Schmaltz, J. (ed.), Interactive Theorem Proving : Second International Conference, ITP 2011, Berg en Dal, The Netherlands, August 22-25, 2011, Proceedings, pp. V-VI)
2007, Part of book or chapter of book (Barendsen, Erik; Geuvers, Herman; Capretta, Venanzio (ed.), Reflections on Type Theory, Lambda Calculus, and the Mind Essays Dedicated to Henk Barendregt on the Occasion of his 60th Birthday, pp. 161-171)
2002, Part of book or chapter of book (Bradfield, J.C. (ed.), Computer Science Logic : 16th International Workshop, CSL 2002, 11th Annual Conference of the EACSL, Edinburgh, Scotland, UK, September, pp. 537-552)
1975, Article in monograph or in proceedings (C. Böhm (ed.), Lambda-calculus and computer science theory : proceedings of the symposium held in Rome march 25 - 27, 1975, pp. 272-286)
2011, Article in monograph or in proceedings (KDIR : Proceedings of the International Conference on Knowledge Discovery and Information Retrieval, pp. 42-51)
2011, Part of book or chapter of book (Davenport, J.; Farmer, W.; Urban, J. (ed.), Intelligent Computer Mathematics : 18th Symposium, Calculemus 2011, and 10th International Conference, MKM 2011, Bertinoro, Italy, July 18-23, 2011. Proceedings, pp. 298-300)
1988, Part of book or chapter of book (C. Pronk; W.J. Toetenel (eds.), Vooruitgang bit voor bit; : Liber Amicorum ac Collegarum bij het afscheid van Prof. dr. ir. W.L. van der Poel, 26 oktober 1988, pp. 35-42)
2007, Part of book or chapter of book (Barendsen, Erik; Capretta, Venanzio; Geuvers, Herman (ed.), Reflections on Type Theory, lambda-calculus, and the Mind. Essays dedicated to Henk Barendregt on the Occasion of his 60th Birthday, pp. 101-114)
2001, Part of book or chapter of book (Abramsky, S. (ed.), Typed Lambda Calculi and Applications : 5th International Conference, TLCA 2001 Krakow, Poland, May 2-5, 2001 Proceedings, pp. 166-181)
2007, Article in monograph or in proceedings (Altenkirch, Thorsten; McBride, Conor (ed.), Types for Proofs and Programs, International Workshop, TYPES 2006, Nottingham, UK, April 18-21, 2006, Revised Selected Papers, pp. 140-159)