International Journal of Mining Science and Technology
International Journal of Mining Science and Technology > 2013 > 23 > 1 > 127-134
International Journal of Mining Science and Technology > 2013 > 23 > 6 > 913-918
International Journal of Mining Science and Technology > 2013 > 23 > 1 > 127-134
International Journal of Mining Science and Technology > 2013 > 23 > 6 > 913-918