[1] Coleman T L, Montgomery O L. Photogrammetric Engineering and Remote Sensing, 1987, 53(12): 1659.
[2] Galvao L S, Pizarro M A, Epiphanio J C N. Remote Sens. Envir., 2001, 75(2): 245.
[4] Baumgardner M F, Kristof S J, Johannsen C J, et al. Indiana Acad. Sci., 1970, 79: 413.
[6] Stoner E R, Baumgardner M F. Soil Sci. Soc. Am. J., 1981, 45(6): 1161.
[7] Obukhov A I, Orlov D C. Pochvovedeniye, 1964, (2): 174.
[8] Hunt G R. Geophysics, 1979, 44(12): 1974.
[9] Coleman T L, Agbu P A, Montgomery O L, et al. Soil Sci., 1991, 151(5): 355.
[10] Kosmas C S, Curi N, Bryant R B, et al. Soil Sci. Soc. Am. J., 1984, 48(2): 401.
[11] Demattê J A M, Garcia G J. Soil Sci. Soc. Am. J., 1999, 63(2): 327.
[13] Baret F, Jacquemoud S, Hanocq J F. Remote Sensing Reviews, 1993, 7(1): 65.
[14] Huete A R, Post D F, Jackson R D. Remote Sens. Environ., 1984, 15(2): 155.
[15] Clark A. International Journal of Remote Sensing, 1998, 19(12): 2317.
[16] Galvao L S, Vitorello I. Remote Sensing of the Environment, 1998, 63(2): 166.
[18] Fox G A, Sabbagh G J. Soil Sci. Soc. Am. J., 2002, 66(6): 1922.