@ARTICLE{Dziurzyński_Wacław_Unsteady_2001,
 author={Dziurzyński, Wacław and Krawczyk, Jerzy},
 number={No 2},
 journal={Archives of Mining Sciences},
 pages={119-137},
 howpublished={online},
 year={2001},
 publisher={Committee of Mining PAS},
 type={Article},
 title={Unsteady flow of gases in a mine ventilation network - a numerical simulation},
 URL={http://journals.pan.pl/Content/132243/PDF/4_MINING_46_2_2001_Dziurzynski_UNSTEADY.pdf},
}