@ARTICLE{Fortuna_Stanisław_Deterioration_2001,
 author={Fortuna, Stanisław},
 number={No 2},
 journal={Archives of Mining Sciences},
 pages={139-148},
 howpublished={online},
 year={2001},
 publisher={Committee of Mining PAS},
 type={Article},
 title={Deterioration of the operational efficiency of radial fans resulting from rotational stalling},
 URL={http://journals.pan.pl/Content/132244/PDF/5_MINING_46_2_2001_Fortuna_DETERIORATION.pdf},
}