RT Journal Article SR Electronic(1) A1 Matrofailo, M. M A1 Korol, M. D.YR 2019 T1 Morphology and peculiarities of formation of coal seams of the lower part of the coal formation of the Lviv-Volyn Basin JF , VO 2019 IS 1 SP 1 OP 5 DO https://doi.org/10.3997/2214-4609.201902053 PB European Association of Geoscientists & Engineers, SN 2214-4609, AB , UL https://www.earthdoc.org/content/papers/10.3997/2214-4609.201902053