L. Schmidt, S. Düsselmann, C. Schlick, O. Tegel, и H. Luczak. Proceedings of the 6th International Design Conference (Dubrovnik 2000), стр. 44–48. Zagreb, CTT, Fakultet strojarstva brodogradnje Sveucilista, (2000)
C. Foltz, S. Killich, M. Wolf, L. Schmidt, и H. Luczak. Systems, Social and Internationalization Design Aspects of Human-Computer Interaction: Proceedings of the HCI International 2001 (New Orleans 2001), стр. 172–176. Mahwah, Erlbaum, (2001)
A. Künzer, и L. Schmidt. Proceedings of the 6th International Conference on Work With Display Units (Berchtesgaden 2002), стр. 217–219. Berlin, Ergonomic Institut für Arbeits- und Sozialforschung Forschungsgesellschaft mbH, (2002)
T. Licht, L. Schmidt, и H. Luczak. Human Factors in Organizational Design and Management VII (Aachen 2003), стр. 329–334. Santa Monica, IEA Press, (2003)
A. Künzer, K. Röse, L. Schmidt, и H. Luczak. Proceedings of the 15th Triennial Congress of the International Ergonomics Association and the 7th Joint Conference of Ergonomics Society of Korea / Japan Ergonomics Society (Seoul 2003), стр. 1–4. Seoul, The Ergonomics Society of Korea, (2003)
A. Künzer, K. Röse, и L. Schmidt. Qualität von Arbeit und Produkt in Unternehmen der Zukunft (München 2003), стр. 575–579. Stuttgart, Ergonomia Verlag, (2003)
L. Schmidt, J. Depolt, и H. Luczak. Proceedings of the 6th International Conference on Work with Computing Systems (Kuala Lumpur 2004), стр. 184–188. Kuala Lumpur, Damai Sciences, (2004)