Shao, G. and D. Liu. 1999. A SSD Feature Extraction Method for Hyperspectral Remote Sensing Data. Pages 654 - 659 in G.Xu and Y. Chen. Towards Digital Earth, pro ceedings of the International Symposium on Digital Earth, held in Beijing, China, Nov. 29 - Dec. 2., 1999. Notes= submitted by gs6t@virginia.edu, Fri Dec 17 16:02 :10 EST 1999 End_notes