@ARTICLE{Głodzik_Stanisław_Increase_2006,
 author={Głodzik, Stanisław and Woźny, Tadeusz},
 number={No 3},
 pages={81-93},
 journal={Gospodarka Surowcami Mineralnymi - Mineral Resources Management},
 howpublished={online},
 year={2006},
 publisher={Komitet Zrównoważonej Gospodarki Surowcami Mineralnymi PAN},
 publisher={Instytut Gospodarki Surowcami Mineralnymi i Energią PAN},
 abstract={In the paper the increasing underground and overall productivity in Polish hard coal mining in the years 1993-2005 are shown on an example of the mines belonging to Kompania Węglowa S.A. Changes of these indicators resulting from the output and employment are shown as well.},
 title={Increase of productivity in polish hard coal mining in the years 1993-2005},
 type={Artykuł},
 URL={http://czasopisma.pan.pl/Content/133776/PDF/8_GSM_22_3_2006_Glodzik_Wzrost.pdf},
 keywords={Mining industry, productivity},
}