%0 Journal Article %T Procedure for Estimating Natural and Technological Components in Ash Content of Produced Coal %A Khoyutanov, E. %A Gavrilov, V. %J Journal of Mining Science %V 54 %N 5 %P 782-792 %@ 1062-7391 %D 2019-07-02 %I Pleiades Publishing %~ DeepDyve