@ARTICLE{Gawlik_Lidia_Simulation_2003,
 author={Gawlik, Lidia},
 volume={vol. 6},
 number={No 1},
 pages={13-22},
 journal={Polityka Energetyczna - Energy Policy Journal},
 howpublished={online},
 year={2003},
 publisher={Instytut Gospodarki Surowcami Mineralnymi i Energią PAN},
 title={Simulation ofcoal production costs in conditions ofcoal mining restructuring process},
 type={Article},
 URL={http://czasopisma.pan.pl/Content/136964/PDF-MASTER/4_POLITYKA_6_1_2003_Gawlik_Simulation.pdf},
 keywords={coal mining, costs of coal production coal mining restructuring},
}