Ercegovac, M., Aleksić, B., Cvetković, O., Marković, B., Aleksić, B., Hagemann, H. and Vitorović, D. (2000) “Micropetrographic characteristics of the Kosovo soft brown coal and their changes during catalytic hydroliquefaction”, Geološki anali Balkanskoga poluostrva, 63(1), pp. 237-252. Available at: https://gabp.rgf.bg.ac.rs/index.php/gabp/article/view/307 (Accessed: 24November2024).