Kairbekov, Z., Smagulova, N. and Kairbekov, A. 2012. Catalytic processing of distillate fractions of chark chemical tar. Chemical Bulletin of Kazakh National University. 68, 4 (Dec. 2012), 84-90. DOI:https://doi.org/https://doi.org/10.15328/chemb_2012_484-90.