TY - JOUR A1 - Eboigbe, M. A. A1 - Kidner, D. B. T1 - ASSESSMENT OF THE PRECISION OF A SMART-PHONE POLE PHOTOGRAMMETRY FOR A SECOND-ORDER CLIFF SURFACE DEFORMATION STUDIES JO - Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Archives VL - XLIV-M-2-2020 SP - 15 EP - 24 Y1 - 2020/11/17 PB - Copernicus Publications SN - 2194-9034 UR - https://isprs-archives.copernicus.org/articles/XLIV-M-2-2020/15/2020/ L1 - https://isprs-archives.copernicus.org/articles/XLIV-M-2-2020/15/2020/isprs-archives-XLIV-M-2-2020-15-2020.pdf DO - 10.5194/isprs-archives-XLIV-M-2-2020-15-2020 ER -