Zherebtsov, S. I., and Z. R. Ismagilov. “Catalytic Alkylation of Brown Coal and Peat”. Eurasian Chemico-Technological Journal 14, no. 1 (February 15, 2012): 45–53. Accessed November 24, 2024. https://ect-journal.kz/index.php/ectj/article/view/366.