Extending Capacity of Existing Railway and Rationalizing Distribution are the effective means to Allevate the Uptight Situation for Coal Transportation in Middle Shan Xi李华14-16
Research and Application of Complex Nerve Network Model for Forecasting the International Coal Price宁云才, 张东日, 李祥仪17-19
The State Department's Emergent Notice about Closing Small Mines that belong to State Owned Enterprises, Suspending Produce and Rectifying of Town and Village Owned Small Mines.77
