Research on Dynamic Change in Wetland Resource in Peking Widgeon-lake Based on 3S Techniques
ZHANG Zhi-feng, GONG Hui-li, ZHAO Wei,FU Rui-hai, ZHANG Tie-lou
Remote Sensing Technology and Application . 2003, (5): 291 -296 .  DOI: 10.11873/j.issn.1004-0323.2003.5.291