Mechanochemical Treatment of Petroleum Residues and their Mixtures with Brown CoalA. K. Golovko, B. Davaatseren, K. S. Dneprovsky, V. G. Surkov and O. I. LomovskyOil & Gas Science and Technology - Rev. IFP, 63 1 (2008) 49-55DOI: https://doi.org/10.2516/ogst:2007078