TY - JOUR A1 - Chi, Y. A1 - Li, A. A1 - Hou, M. A1 - Deng, Y. A1 - Wang, C. T1 - RESEARCH PROGRESS ON THE FOUR-IN-ONE METHOD SYSTEM FOR SUSTAINABLE PROTECTION OF ARCHITECTURAL HERITAGE JO - Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Archives VL - XLII-2/W15 SP - 305 EP - 309 Y1 - 2019/08/21 PB - Copernicus Publications SN - 2194-9034 UR - https://isprs-archives.copernicus.org/articles/XLII-2-W15/305/2019/ L1 - https://isprs-archives.copernicus.org/articles/XLII-2-W15/305/2019/isprs-archives-XLII-2-W15-305-2019.pdf DO - 10.5194/isprs-archives-XLII-2-W15-305-2019 ER -