[5] Jackson R D, Jones C A, Uehara G, et al. Remote Sensing of Environment, 1980, 11: 327.
[6] Ponzoni F J, Goncalves J L M. International Journal of Remote Sensing, 1999, 20 (11): 2249.
[7] Gong P, Pu R L, Heald C. International Journal of Remote Sensing, 2002, 23(9): 1827.