@ARTICLE{_Front_2020,
 number={No 2},
 journal={Nauka},
 howpublished={online},
 year={2020},
 publisher={Biuro Upowszechniania i Promocji Nauki PAN},
 title={Front pages},
 URL={http://www.czasopisma.pan.pl/Content/116846/PDF/N%23220-00-initial.pdf},
}