EN中文
The Spatial-temporal Changes of Vegetation Restoration on Loess Plateau in Shaanxi-Gansu-Ningxia Region
LI Shuangshuang, YAN Junping, WAN Jia
Acta Geographica Sinica . 2012, (7): 960 -970 .  DOI: 10.11821/xb201207009