Spatial pattern evolution of municipal economic development in energy-rich areas: A case study of Shanxi-Shaanxi-Inner Mongolia-Gansu-Ningxia region
LI Bo, ZHANG Wen-zhong, YU Jian-hui, LIU Qian-qian
JOURNAL OF NATURAL RESOURCES . 2020, (3): 668 -682 .  DOI: 10.31497/zrzyxb.20200313