The Exploratory Media Lab MARS Media Arts & Research Studies netzspannung.org Wissensraum für digitale Kunst und Kultur GENG, Weidong STRAUSS, Wolfgang FLEISCHMANN, Monika ELISTRATOV, Vladimir KULESSA, Thomas KOLESNIK, Marina Perceptual User Interface in Virtual Shopping Environment Published on netzspannung.org: http://netzspannung.org/about/mars/projects 19 October 2004 First published: International Journal of Image and Graphics No. 2, Vol.3 (2003), p. 365 -378.