Czarnocka, Joanna, and Urszula Zborowska. “Economical and Ecological Aspects of Excise Fuels Markers System Application”. Studia Ecologiae et Bioethicae 7, no. 2 (December 31, 2009): 73–78. Accessed November 23, 2024. https://czasopisma.uksw.edu.pl/index.php/seb/article/view/6929.