TY - JOUR A1 - Kang, H.-K. A1 - Obukhov, T. A1 - Lee, M. T1 - GEO-ANALYTIC FUNCTIONS FOR UN FIELD OPERATIONS – UN OPEN GIS: SPIRAL 3 GEO-ANALYSIS JO - Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Archives VL - XLII-4/W14 SP - 127 EP - 133 Y1 - 2019/08/23 PB - Copernicus Publications SN - 2194-9034 UR - https://isprs-archives.copernicus.org/articles/XLII-4-W14/127/2019/ L1 - https://isprs-archives.copernicus.org/articles/XLII-4-W14/127/2019/isprs-archives-XLII-4-W14-127-2019.pdf DO - 10.5194/isprs-archives-XLII-4-W14-127-2019 ER -