Search results for: Zheng Yan
Journal of China University of Mining and Technology > 2008 > 18 > 3 > 337-341
Journal of China University of Mining and Technology > 2007 > 17 > 2 > 152-157
Journal of China University of Mining and Technology > 2008 > 18 > 3 > 337-341
Journal of China University of Mining and Technology > 2007 > 17 > 2 > 152-157