<hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">Maiwald, F./ Henze, F./ Bruschke, J. / Niebling, F.</hi> (2019). Geo-Information Technologies for a Multimodal Access on Historical Photographs and Maps for Research and Communication in Urban History. <hi xmlns="http://www.tei-c.org/ns/1.0" rend="italic">Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.</hi>, XLII-2/W11, 763-769.