Acta Agrestia Sinica
Study on Information Extraction and the Dynamic Monitoring of Grassland Coverage in Three River Source Area
LIU Xiao-dong, LIU Rong-tang, LIU Ai-jun, YUN Xu-jiang, LI Xin-yi, BAO Hai-ming
. 2010, (2): 154 -159 .  DOI: 10.11733/j.issn.1007-0435.2010.02.003