黄河北干流晋陕蒙接壤地区环境冲突分析研究

杨勤业, 张豪禧, 叶庆华

A Research of Environmental Conflict Factors at the North of the Yellow River

YANG Qin ye, ZHANG Hao xi, YE Qing hua

地理科学进展 . 1999, (3): 193 -200 . DOI: 10.11820/dlkxjz.1999.03.001