Peculiarities of using classification indicators of the coal metamorphism degree for predicting the hazardous coal seams propertiesMykola Antoshchenko, Elvira Filatieva, Vladyslav Yefimtsev and Vadym TarasovE3S Web Conf., 201 (2020) 01014DOI: https://doi.org/10.1051/e3sconf/202020101014