Mining Science and Technology (China)
Mining Science and Technology (China) > 2011 > 21 > 3 > 365-369
Mining Science and Technology (China) > 2011 > 21 > 5 > 661-666
Mining Science and Technology (China) > 2011 > 21 > 3 > 365-369
Mining Science and Technology (China) > 2011 > 21 > 5 > 661-666