EN中文
Land Use Changes of Valleys Based on Topographic Factors in Beijing Mountainous Regions of China*
Songlin Mu, Yifeng Zhang, Dhruba Bijaya G.C.
Journal of Resources and Ecology . 2016, (1): 68 -76 .  DOI: 10.5814/j.issn.1674-764x.2016.01.009