Bassarova, A., O. Orken, A. Kudabayeva, O. Abdrazzakov, M. Tulepov, and A. Zhumabayeva. “Effect of Mechanical Activation of Coal from Kiyaktinskoye Mine on the Yield of Liquid Products”. Chemical Bulletin of Kazakh National University, Vol. 65, no. 1, Mar. 2012, pp. 35-39, doi:https://doi.org/10.15328/chemb_2012_135-39.