Mobile Reality: A PDA-Based Multimodal Framework Synchronizing a Hybrid Tracking Solution with 3D Graphics and Location-Sensitive Speech Interaction. - Stuart Goose; Heiko Wanning; Georg Schneider 002 (UbiComp, 2002)

An Integrated System for Border Surveillance. - Barbara Essendorfer; Eduardo Monari; Heiko Wanning (ICONS, 2009)