TY - JOUR A1 - Sammartano, G. A1 - Avena, M. A1 - Cappellazzo, M. A1 - Spanò, A. T1 - HYBRID GIS-BIM APPROACH FOR THE TORINO DIGITAL-TWIN: THE IMPLEMENTATION OF A FLOOR-LEVEL 3D CITY GEODATABASE JO - Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Archives VL - XLIII-B4-2021 SP - 423 EP - 430 Y1 - 2021/06/30 PB - Copernicus Publications SN - 2194-9034 UR - https://isprs-archives.copernicus.org/articles/XLIII-B4-2021/423/2021/ L1 - https://isprs-archives.copernicus.org/articles/XLIII-B4-2021/423/2021/isprs-archives-XLIII-B4-2021-423-2021.pdf DO - 10.5194/isprs-archives-XLIII-B4-2021-423-2021 ER -