[2] Bo Stenberg. Geoderma, 2010, 158(1-2): 15.
[4] Bricklemyer R S, Brown D J. Computers and Electronics in Agriculture, 2010, 70(1): 209.
[5] Minasny B, McBratney A B, Pichon L, et al. Australian Journal of Soil Research, 2009, 47(7): 664.
[6] Morgan C L S, Waiser T H, Brown, D J, et al. Geoderma, 2009, 151(3-4): 249.
[7] Budiman M, Alex B M, Veronique B M. Geoderma, 2011, 167-168(11): 118.
[8] Wu C Y, Jacobson A R, Laba M, et al. Soil Science, 2009, 174(8): 456.
[10] Noda I. Appl. Spectrosc., 1993, 47(9): 1329.