[3] Peuelas J, Filella I, Biel C, et al. International Journal of Remote Sensing, 1993, 14: 1887.
[4] Gao B. Remote Sensing of Environment, 1996, 58: 257.
[6] Wu Chaoyang, Niu Zheng, Tang Quan. Journal of Plant Research, 2009, 122: 317.
[8] Clevers J G P W, Kooistra L, Schaepman M E. International Journal of Applied Earth Observation and Geoinformation, 2008, 10: 388.
[9] Seelig H D, Hoehn A, Stodieck L S, et al. Remote Sensing of Environment, 2008, 112(2): 445.
[10] Rouse J W, Hass R H, Shell J A, et al. Third Earth Resources Technology Satellite Symposium, 1973, 1: 309.
[11] Hui Q L, Huete A. IEEE Transactions on, 1995, 33(2): 457.
[13] Bowyer P, Danson F M. Remote Sensing of Environment, 2004, 92(3): 297.
