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K
Kortenkamp, U. H., & Richter-Gebert J. (1999).  Dynamic Geometry II: Applications. Abstracts 15th European Workshop Comput. Geom.. 109–111.
Kortenkamp, U. (1997).  Every simplicial polytope with at most d+4 vertices is a quotient of a neighborly polytope. Discrete & Computational Geometry. 18, 455–462.
Kortenkamp, U. (2006).  Algorithmische Geometrie im Unterricht. Der Mathematikunterricht. 52, 32-39.
Kortenkamp, U., & Richter-Gebert J. (2004).  Using Automatic Theorem Proving to Improve the Usability of Geometry Software. (Libbrecht, P., Ed.).Proceedings of MathUI 2004. PDF icon KortenkampRichter-Ge-UATPIUGS-2004a.pdf (842.28 KB)
Kortenkamp, U., Blessing A. M., Dohrmann C., Kreis Y., Libbrecht P., & Mercat C. (2009).  Interoperable Interactive Geometry For Europe – First Technological and Educational Results and Future Challenges of the Intergeo Project. Proceedings of the Sixth Congress of the European Society for Research in Mathematics Education. January 28th - February 1st 2009, Lyon (France). PDF icon KortenkampBlessing-IIGEFTERFCIP-2009b.pdf (188.07 KB)
Kortenkamp, U., Blessing A. M., Dohrmann C., Kreis Y., Libbrecht P., & Mercat C. (2009).  Interoperable Interactive Geometry For Europe – First Technological and Educational Results and Future Challenges of the Intergeo Project. Proceedings of the Sixth Congress of the European Society for Research in Mathematics Education. January 28th - February 1st 2009, Lyon (France).
Kortenkamp, U., Dohrmann C., Kreis Y., & Dording C. (2009).  Using the Intergeo Platform for Teaching and Research. (Bardini, C., Fortin C., Oldknow A., & Vagost D., Ed.).Proceedings of the 9th International Conference on Technology in Mathematics Teaching. PDF icon KortenkampDohrmann-UIPTR-2009a.pdf (114.34 KB)
Kortenkamp, U. (2001).  The future of mathematical software. Proceedings of MTCM 2000. PDF icon Kortenkamp-FMS-2001a.pdf (199.43 KB)
Kortenkamp, U. (2007).  Combining CAS and DGS – Towards Algorithmic Thinking. (Li, S., Wang D., & Zhang J-Z., Ed.).Symbolic Computation and Education. 150-173.
Kortenkamp, U. (2011).  Interoperable Interactive Geometry for Europe. The Electronic Journal of Mathematics and Technology. 5, PDF icon Kortenkamp-IIGE-2011c.pdf (1.83 MB)
Kortenkamp, U., & Materlik D. (2004).  Geometry teaching in wireless classroom environments using Java and J2ME. Science of Computer Programming. 53, 71–85.PDF icon KortenkampMaterlik-GTWCEUJJ-2004a.pdf (820.01 KB)
Kortenkamp, U., & Richter-Gebert J. (2009).  Blended Experimentation with DGS. Proceedings of CADGME 2009. PDF icon KortenkampRichter-Gebert-BEW-cadgme2009.pdf (4.56 MB)
Kortenkamp, U. (2008).  A Technology Based Approach to Discrete Mathematics in the Classroom. (Campbell, S., & Grenier D., Ed.).Proceedings of ICME-11, TSG 15.
Kortenkamp, U. H., & Richter-Gebert J. (1999).  Das Cinderella-Projekt. (Maffeis, S., Toenniessen F., & Zeidler C., Ed.).Erfahrungen mit Java. 381–401.
Kortenkamp, U., & Blessing A. M. (2011).  VideoClipQuests as an E-Learning Pattern. (Kohls, C., & Wedekind J., Ed.).Investigations on E-Learning Patterns: Context Factors, Problems, and Solutions. 237-248.
Kortenkamp, U. (2004).  Experimental mathematics and proofs – what is secure mathematical knowledge?. Zentralblatt für Didaktik der Mathematik. 36, 61–66.PDF icon Kortenkamp-EMPWSMK-2004a.pdf (228.83 KB)
Kortenkamp, U., & Fest A. (2008).  From CAS/DGS Integration to Algorithms in Educational Math Software. Proceedings of ATCM 08.
Kortenkamp, U. (2006).  Paving the Alexanderplatz Efficiently with a quasi-periodic tiling. (Duvernoy, S., & Pedemonte O., Ed.).Nexus VI: Architecture and Mathematics. 57-62.
L
Ladel, S., & Kortenkamp U. (2009).  Realisations of MERS (Multiple Extern Representations) and MELRS (Multiple Equivalent Linked Representations) in Elementary Mathematics Software. (Durand-Guerrier, V., Soury-Lavergne S., & Arzarello F., Ed.).Proceedings of the Sixth Congress of the European Society for Research in Mathematics Education. January 28th - February 1st 2009, Lyon (France). PDF icon LadelKortenkamp-RMMERMMELREMS-2009a.pdf (355.73 KB)
Ladel, S., & Kortenkamp U. (2011).  Finger-Symbol-Sets and Multi-Touch for a better understanding of numbers and operations. Proceedings of CERME 7, Rzeszow. PDF icon LadelKortenkamp-FMBUNO-2011a.pdf (598.13 KB)
Ladel, S., & Kortenkamp U. (2013).  An activity-theoretic approach to multi-touch tools in early maths learning. The International Journal for Technology in Mathematics Education. 20, PDF icon LadelKortenkamp-ATATEMLO-ICME-2013.pdf (426.48 KB)
Ladel, S., & Kortenkamp U. (2013).  Designing a technology based learning environment for place value using artifact-centric activity theory. (Lindmeier, A. M., & Heinze A., Ed.).Proceedings of the 37th conference of the International Group for the Psychology of Mathematics Education. Mathematics learning across the life span. 1, 188-192.PDF icon LadelKortenkamp-DTBLE-RF4pme37-2013.pdf (81.92 KB)
Ladel, S., & Kortenkamp U. (2011).  Implementation of a multi-touch-environment supporting finger symbol sets. Proceedings of CERME 7, Rzeszow. PDF icon LadelKortenkamp-IMSFSS-2011b.pdf (274.33 KB)
Ladel, S., & Kortenkamp U. (2011).  An activity-theoretic approach to multi-touch tools in early maths learning. Proceedings of ATATEMLO 2011 in Paris. PDF icon LadelKortenkamp-AAMTEML-2011a.pdf (762.62 KB)
Ladel, S., & Kortenkamp U. (2009).  Virtuell-enaktives Arbeiten mit der „Kraft der Fünf''. MNUprimar. PDF icon LadelKortenkamp-VAGKF-2009a.pdf (722.46 KB)

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