[1] Gorny V I, Salman A G, Tronin A A, et al. Proceeding of the Academy of Sciences of the USSR, 1988, 30(1): 67.
[3] Tronin A A. International Journal of Remote Sensing, 1996, 17(8): 1439.
[4] Ouzounov D, Freund F. Advances in Space Research, 2004, 33 (3): 268.
[5] Arun K S, Swapnamita C J. Ind. Geophys. Union, 2005, 9(3): 197.
[8] Wu L X, Cui C Y, Geng N G, et al. Int. J. Rock Mech. & Min. Sci., 2000, 37(6): 879.
[9] Wu L X, Liu S J, Wu Y H, et al. Int. J. Rock Mech. & Min. Sci., 2006, 43(3): 473.
[10] Wu L X, Liu S J, Wu Y H, et al. Int. J. Rock Mech. & Min. Sci., 2006, 43(3): 483.
[12] Liu S J, Wu L X, Wu Y H. Int. J. Rock Mech. & Min. Sci., 2006, 43(6): 972.
[14] CUI Cheng-yu, DENG Ming-de, GENG Nai-guang. Chinese Science Bulletin, 1993, 38(16): 538.
[15] Freund F T, Takeuchi A, Lau B W S, et al. Earth, 2007, 2: 7.
[16] Thomson W. Trans. R. Soc. Edinburgh, 1853, 20: 83.