@ARTICLE{Witkowska_Magdalena_Palaeoenvironmental_2012,
 author={Witkowska, Magdalena},
 volume={vol. 62},
 number={No 3},
 journal={Acta Geologica Polonica},
 howpublished={online},
 year={2012},
 publisher={Komitet Nauk Geologicznych PAN},
 publisher={Wydział Geologii UW},
 title={Palaeoenvironmental significance of iron carbonate concretions from the Bathonian (Middle Jurassic) ore-bearing clays at Gnaszyn, Kraków-Silesia Homocline, Poland},
 URL={http://journals.pan.pl/Content/81883/PDF/04witkowska.pdf},
 doi={10.2478/v10263-012-0017-8},
}