1. Underground coal gasification;Gregg;AlChE,1978
2. Brown coal and lignite issues from the perspective of sustainable development in slovakia;Skvarekova;Min. Resour. Manage.,2012
3. Optimizing transport in surface mines, taking into account the quality of extracted raw ore;Sofranko;Acta Montan. Slov.,2012
4. J. Kacur, K. Kostur, M. Durdan, The proposal of the control circuits for uderground coal gasification, in: Proceedings of 9th International Carpathian Control Conference 2008 (ICCC), 2008, pp. 287–290.
5. Combustion and gasification of coals in fixed-beds;Hobbs;Prog. Energy Combust.,1993