A.I, S. (2002). Energy efficiency of the coal mining industry and ways of its improvement. General Energy Institute of the National Academy of Sciences of Ukraine.
Chicago-Zitierstil (17. Ausg.)A.I, Symborskiy. Energy Efficiency of the Coal Mining Industry and Ways of Its Improvement. General Energy Institute of the National Academy of Sciences of Ukraine, 2002.
MLA-Zitierstil (8. Ausg.)A.I, Symborskiy. Energy Efficiency of the Coal Mining Industry and Ways of Its Improvement. General Energy Institute of the National Academy of Sciences of Ukraine, 2002.
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