Modsching, Marko, Ronny Kramer, Klaus ten Hagen, and Ulrike Gretzel. “The Impact of Mobile Information Systems on the Behaviour of Tourists: Results from a Field Study”. In Konferenzband EVA 2006 Berlin. Elektronische Bildverarbeitung & Kunst, Kultur, Historie: Die 13. Berliner Veranstaltung Der Internationalen EVA-Serie Electronic Imaging & The Visual Arts, edited by Gerd Stanke, Andreas Bienert, James Hemsley, and Vito Cappellini, 151–157. EVA Berlin 13. Heidelberg: arthistoricum.net-ART-Books, 2018. Accessed July 17, 2024. https://books.ub.uni-heidelberg.de/arthistoricum/catalog/book/179/chapter/1976.