@ARTICLE{_Contents_2024, volume={vol. 27}, number={No 2}, journal={Polityka Energetyczna - Energy Policy Journal}, howpublished={online}, year={2024}, publisher={Instytut Gospodarki Surowcami Mineralnymi i EnergiÄ… PAN}, title={Contents}, URL={http://journals.pan.pl/Content/131761/spis%20tre%C5%9Bci%20PE-27-2.pdf}, }