@ARTICLE{Berkowski_Błażej_The_2012,
 author={Berkowski, Błażej and Zapalski, Mikołaj K.},
 volume={vol. 62},
 number={No 2},
 journal={Acta Geologica Polonica},
 howpublished={online},
 year={2012},
 publisher={Komitet Nauk Geologicznych PAN},
 publisher={Wydział Geologii UW},
 title={The oldest species of ?Yavorskia (Tabulata) from the Upper Famennian of the Holy Cross Mountains (Poland)},
 URL={http://journals.pan.pl/Content/81875/PDF/zapalski.pdf},
 doi={10.2478/v10263-012-0009-8},
}