[15] Moulin S, Baret F, Bruguier N, et al. Proceeding of the 23rd International Geoscience and Remote Sensing Symposium. Toulouse, France, IEEE Press, 2003. 3284.
[16] Cen Haiyan, Shao Yongni, Song Haiyan, et al. The 8th International Conference of Signal Processing, Gruilin China, IEEE Press, 2006. 215.