Andrea Maria Bauer, Klaas Klasing, Georgios Lidoris, Quirin Mühlbauer, Florian Rohrmüller, Stefan Sosnowski, Tingting Xu, Kolja Kühnlenz, Dirk Wollherr, Martin Buss. The Autonomous City Explorer: Towards Natural Human-Robot Interaction in Urban Environments. I. J. Social Robotics, 1(2):127-140, 2009. [doi]
Abstract is missing.