TY - JOUR A1 - Hodgson, M. E. A1 - Piovan, S. E. T1 - Modelling and Repeating Early Photographic Positions with Aerial Drones JO - Abstr. Int. Cartogr. Assoc. J1 - ICA-Abs VL - 3 SP - 110 EP - Y1 - 2021/12/13 PB - Copernicus Publications SN - 2570-2106 UR - https://ica-abs.copernicus.org/articles/3/110/2021/ L1 - https://ica-abs.copernicus.org/articles/3/110/2021/ica-abs-3-110-2021.pdf DO - 10.5194/ica-abs-3-110-2021 ER -