International Journal of Mining Science and Technology
International Journal of Mining Science and Technology > 2013 > 23 > 1 > 99-103
International Journal of Mining Science and Technology > 2013 > 23 > 1 > 139-143
International Journal of Mining Science and Technology > 2013 > 23 > 3 > 357-361
International Journal of Mining Science and Technology > 2013 > 23 > 4 > 579-589