Environment-mediated mobile computing Gellersen, H.-W.; Beigl, M.; Schmidt, A. 1999. Applied computing 1999 : proceedings of the 1999 ACM Symposium on Applied Computing ; San Antonio Menger Hotel, San Antonio, Texas, February 28 - March 2, 1999. Ed.: J. Carroll, 416–418, Association for Computing Machinery (ACM). doi:10.1145/298151.298404
Matching Information and Ambient Media Schmidt, A.; Gellersen, H.-W.; Beigl, M. 1999. Cooperative buildings : integrating information, organizations and architecture ; second international workshop ; proceedings / CoBuild ’99, Pittsburgh, USA, October 1 - 2 1999. Ed. N. A. Streitz, 140–149, Springer Berlin Heidelberg. doi:10.1007/10705432_13
Online Traffic Analysis and Forecast Schwerdtfeger, T.; Vortisch, P. 1999. ETT 99 / SATNAV 99. 1st Europan Symposium on Transport Telematics. Hrsg.: H.E.H. Meyer, 381–390
A Modular Wheel System for Mobile Robot Applications Hanebeck, U. D.; Šaldić, N. 1999. Proceedings of the 1999 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 1999), 17-21 October 1999, Kyongju, South Korea, 17–22, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/IROS.1999.812974
Kohlenstoff- und Stickstoffisotopie im urbanen Umweltmonitoring Norra, S.; Stüben, D. 1999. Umweltsystemanalyse : Dynamik natürlicher und anthropogener Systeme und ihre Wechselwirkungen Hrsg.: M. Flake, 187–190, Karlsruher Institut für Technologie (KIT)