| 1 | Kravtsova L.A. Theoretical bases of principles of systematization of coal samples in coal collections at Institute of Coal FRC CCC SB RAS. Vestnik Kuzbasskogo gosudarstvennogo tekhnicheskogo universiteta=Bulletin of the Kuzbass State Technical University. 2017; 2(120):60-65. (In Russ., abstract in Eng.). | MORE INFO | DOWNLOAD |
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