@ARTICLE{_Contents_2000, volume={vol. 26}, number={No 4}, journal={Archives of Environmental Protection}, howpublished={online}, year={2000}, publisher={Polish Academy of Sciences}, type={Contents}, title={Contents}, URL={http://www.journals.pan.pl/Content/124309/PDF-MASTER/2_AE_VOL_26_4_2000_spis_ang.pdf}, }