@ARTICLE{Popiołek_Edward_The_2003,
 author={Popiołek, Edward and Ostrowski, Janusz and Sopata, Paweł and Wójcik, Artur},
 number={No 2},
 journal={Archives of Mining Sciences},
 pages={155-195},
 howpublished={online},
 year={2003},
 publisher={Committee of Mining PAS},
 type={Article},
 title={The studies on the results of periodical stopping of the exploitation front in the seams of mineral coal with the use of surveying methods},
 URL={http://journals.pan.pl/Content/132122/PDF/3_MINING_48_2_2003_Popiolek_STUDIES.pdf},
}