4ZHAO Wenji, GONG Zhaoning, GONG Huili, LI Xiaojuan, ZHANG Songmei & LI Jing Key Lab of Resource Environment and GIS of Beijing, Capital Normal University, Beijing 100037, China,Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130012, China,College of Resources Science and Technology, Beijing Normal University, Beijing 100875, China.Using remote sensing to research Beijing wetlands dynamics[J].Science China(Technological Sciences),2006,49(z2):97-107. 被引量:3