@ARTICLE{Nowak_Jacek_Phosphorus_2013,
 author={Nowak, Jacek and Kokowska-Pawłowska, Magdalena},
 volume={vol. 63},
 number={No 2},
 journal={Acta Geologica Polonica},
 howpublished={online},
 year={2013},
 publisher={Komitet Nauk Geologicznych PAN},
 publisher={Wydział Geologii UW},
 title={Phosphorus minerals in tonstein; coal seam 405 at Sośnica-Makoszowy coal mine, Upper Silesia, southern Poland},
 URL={http://journals.pan.pl/Content/81910/PDF/07_kokowska.pdf},
 doi={10.2478/agp-2013-0012},
}