Spatial distribution and dynamic characteristics of the grassland vegetation in Hebei
XU Min-yun, LI Yun-qi, WANG Kun, CAO Yu-feng, YU Hai-liang,
LI Xue-feng, LI Lian-shu, JING Fu-jun, LI Jia-xiang, XIE Fan
Acta Prataculturae Sinica
.
2009, (6): 1
-11
.
