@misc{the+quality+of+coal+in+poland+russia+and+ukraine+and+its+effect+on+dust+emission+into+the+atmosphere+during+combustion, author = {Małkowski, Piotr i Tymoshenko, Ievgen}, title = {The quality of coal in Poland, Russia and Ukraine and its effect on dust emission into the atmosphere during combustion}, journal = {Technical Transactions}, address = {Kraków}, publisher = {Wydawnictwo PK}, date = {2018}, number = {Vol. 115, iss. 9} }