Main factors analysis about soil desertification in typical section of interlock area of farming and pasturing:the case of Zhangbei County, Bashang Area of Hebei Province
HAIChun-xing, MA Li, WANG Xue-meng, LI Lu
GEOGRAPHICAL RESEARCH . 2002, (5): 543 -550 .  DOI: 10.11821/yj2002050002