A study of the construction times of the ancient cities in Ganjia Basin, Gansu Province, China

XIA Huan, ZHANG Dongju, WANG Qiang, WU Duo, DUAN Yanwu, CHEN Fahu

地理学报(英文版) . 2020, (9): 1467 -1480 . DOI: 10.1007/s11442-020-1793-9