@ARTICLE{_Contents_2020, volume={68}, number={No. 1}, journal={Bulletin of the Polish Academy of Sciences Technical Sciences}, howpublished={online}, year={2020}, type={Contents}, title={Contents}, URL={http://so.czasopisma.pan.pl/Content/115910/PDF/00_0-0_Spis%20tresci_Bpast.No.68-1_27.02.20_K%20linked.pdf}, }