Mining Science and Technology (China)
Mining Science and Technology (China) > 2010 > 20 > 1 > 109-114
Mining Science and Technology (China) > 2010 > 20 > 5 > 770-777
Mining Science and Technology (China) > 2010 > 20 > 1 > 109-114
Mining Science and Technology (China) > 2010 > 20 > 5 > 770-777