“3D ImageVector - Terrestrial Photogrammetry Without Control Points; [3D ImageVector – Terrestrische Photogrammetrie Ohne Passpunkte]”. gis.Business | issn : 1869-9286 18, no. 1 (July 1, 2017): 39–41. Accessed November 8, 2026. https://journal-gis.business/index.php/gisb/article/view/389.