@ARTICLE{_Contents_2019, volume={vol. 40}, number={No 4}, journal={Chemical and Process Engineering}, howpublished={online}, year={2019}, publisher={Polish Academy of Sciences Committee of Chemical and Process Engineering}, title={Contents of Chemical and Process Engineering, Vol. 40, 2019}, URL={http://www.journals.pan.pl/Content/114996/PDF/7_Contents%20CPE_4_2019_INTERNET.pdf}, }