TY - JOUR A1 - Karas, I. R. A1 - Ben Ahmed, M. A1 - Boudhir, A. A. A1 - Ane, B. K. T1 - THE SIXTH INTERNATIONAL CONFERENCE ON SMART CITY APPLICATIONS: PREFACE JO - Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Archives VL - XLVI-4/W5-2021 SP - 1 EP - 6 Y1 - 2021/12/23 PB - Copernicus Publications SN - 2194-9034 UR - https://isprs-archives.copernicus.org/articles/XLVI-4-W5-2021/1/2021/ L1 - https://isprs-archives.copernicus.org/articles/XLVI-4-W5-2021/1/2021/isprs-archives-XLVI-4-W5-2021-1-2021.pdf DO - 10.5194/isprs-archives-XLVI-4-W5-2021-1-2021 ER -