Forgotten Nazi Forced Labour Camps: Arbeitslager Riese (Lower Silesia, SE Poland) and the Use of Archival Aerial Photography and Contemporary LiDAR and Ground Truth Data to Identify and Delineate Camp Areas. - Aleksander Kamola; Sebastian Rózycki; Pawel Bylina; Piotr Lewandowski; Adam Burakowski (Remote. Sens., 2020)