@ARTICLE{_Contents_2021, number={No 2 (70) Boundaries}, journal={ACADEMIA. The magazine of the Polish Academy of Sciences}, howpublished={online}, year={2021}, publisher={Polish Academy of Sciences}, language={eng}, type={Contents}, title={Contents}, URL={http://ochroma.man.poznan.pl/Content/122449/PDF/02-02_Contents_ang.pdf}, }