TY - JOUR A1 - Gao, X. A1 - Li, B. A1 - Zhou, X. T1 - A Research of Construction Mechanism of Vassal State’s City Group during Spring and Autumn Period Based on the Analyzation of Geographic Image – Take south region of Shandong as example JO - Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci. J1 - ISPRS-Archives VL - XL-5/W7 SP - 151 EP - 157 Y1 - 2015/08/11 PB - Copernicus Publications SN - 2194-9034 UR - https://isprs-archives.copernicus.org/articles/XL-5-W7/151/2015/ L1 - https://isprs-archives.copernicus.org/articles/XL-5-W7/151/2015/isprsarchives-XL-5-W7-151-2015.pdf DO - 10.5194/isprsarchives-XL-5-W7-151-2015 ER -