1. LBI for Archaeological Prospection and Virtual Archaeology (Ludwig Boltzmann Gesellschaft GmbH), Franz-Klein-Gasse 1, A-1190 Wien, Austria; and Department of Archaeology, Faculty of Arts and Philosophy; Ghent University; Sint-Pietersnieuwstraat 35 (UFO - 110.016); B-9000; Gent; Belgium
2. Department for Prehistoric and Medieval Archaeology; University of Vienna, A-1190 Wien, Austria; and LBI for Archaeological Prospection and Virtual Archaeology (Ludwig Boltzmann Gesellschaft GmbH); Franz-Klein-Gasse 1; A-1190; Wien; Austria