[1] Sun Y Z, Fan J S, Qin P, et al. Environmental Geochemistry and Health, 2009, 1(31): 81.
[2] Wang W F, Hao W D, Bian Z F, et al. International Journal of Coal Geology, 2014, 132: 94.
[3] Xue Y A, Zhang M M, Li J, et al. Disaster Advances, 2012, 5: 427.
[4] Demirel N, Emil M K, Duzgun H S. International Journal of Coal Geology, 2011, 86: 3.
[5] Joshi P K, Kumar M, Midha N, et al. Journal of the Indian Society of Remote Sensing, 2006, 4: 415.
[6] Schroeter L, Gler C. International Journal of Coal Geology, 2011, 86: 27.
[9] Mao Y C, Ma B D , Liu S J, et al. Canadian Journal of Remote Sensing, 2014, 40: 327.
[10] Smith M R, Bandfield J L, Cloutis E A, et al. Icarus, 2013, 223: 633.
[11] Sergio S R, María P, Nilda S, et al. Journal of Hydrology, 2014, 516: 273.
[12] Saljnikov A, Komatina M, Manovic′ V, et al. International Journal of Heat and Mass Transfer, 2009, 52: 2871.