@ARTICLE{Niska_M._Fossil_2012,
 author={Niska, M.},
 number={Vol. 29},
 journal={Studia Quaternaria},
 howpublished={online},
 year={2012},
 publisher={Committee for Quaternary Research PAS},
 publisher={Institute of Geological Sciences PAS},
 title={Fossil Cladocera re mains in the Eemian sediments – preservation, frequency and dominant species},
 URL={http://journals.pan.pl/Content/98105/mainfile.pdf},
}