Prykhodchenko, D.V.D.V.PrykhodchenkoTokar, L.O.L.O.Tokar2017-03-282017-03-282013http://ir.nmu.org.ua/handle/123456789/148869enComposition and Quality of Coal Layer M 4 1 of Lozivska Promising Region, and Main Areas of Its Rational UseArticle