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Journal of Sustainable Mining > 2019 > Vol. 18, iss. 2 > 86--93
Journal of Sustainable Mining > 2019 > Vol. 18, iss. 1 > 45--51
Nuclear Inst. and Methods in Physics Research, A > 2010 > 619 > 1-3 > 441-445
Journal of Environmental Radioactivity > 2004 > 74 > 1-3 > 255-277