@ARTICLE{Kowalski_Andrzej_Analysis_2015,
 author={Kowalski, Andrzej and Polanin, Piotr},
 number={No 4},
 journal={Archives of Mining Sciences},
 howpublished={online},
 year={2015},
 publisher={Committee of Mining PAS},
 title={Analysis Of The Impact Of The Coal Bed Inclination And The Direction Of Exploitation On Surface Deformation},
 URL={http://ochroma.man.poznan.pl/Content/94002/PDF/10267-Volume60_Issue4-10_paper.pdf},
 doi={10.1515/amsc-2015-0066},
}