300 BC-1900 AD无定河流域城镇时空格局演变
佟彪, 党安荣, 许剑
A historical study on the patterns of spatio-temporal evolution of towns in the Wuding River Basin
TONG Biao, DANG Anrong, XU Jian
地理学报 . 2019, (8): 1508 -1524 .  DOI: 10.11821/dlxb201908002