Karel Pavelka (2019). DOCUMENTATION OF VANISHING CULTURAL AND TECHNICAL HERITAGE. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Informatics, Geoinformatics and Remote Sensing, 525-532. https://doi.org/10.5593/sgem2019/2.2/s10.064