TY - JOUR A1 - Xuefeng, W. A1 - Zhongyuan, H. A1 - Gongli, L. A1 - Li, Z. T1 - A Study about the 3S-based Great Ruins Monitoring and Early-warning System JO - ISPRS Ann. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Annals VL - II-5/W3 SP - 357 EP - 361 Y1 - 2015/08/12 PB - Copernicus Publications SN - 2194-9050 UR - https://isprs-annals.copernicus.org/articles/II-5-W3/357/2015/ L1 - https://isprs-annals.copernicus.org/articles/II-5-W3/357/2015/isprsannals-II-5-W3-357-2015.pdf DO - 10.5194/isprsannals-II-5-W3-357-2015 ER -