O. Koval

Advanced Experience and Direction of Mining of Thin Coal Seams in Ukraine

Roman Dychkovskiy, Volodymyr Bondarenko, Yuriy Griadushchiy, 2007 .

The mechanism of over-coal thin-layered massif deformation of weak rocks in a longwall

V. Bondarenko, O. Koval, G. Symanovych, 2012 .

Genetic classification of gas hydrates deposits types by geologic-structural criteria

V. Bondarenko, E. Maksymova, O. Koval, 2013 .