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\bibitem{Quintero-Coronel_etal2021} {\textquotedblleft}\textit{Thermochemical conversion of coal and biomass blends in a top-lit updraft fixed bed reactor : experimental assessment of the ignition front propagation velocity}{\textquotedblright}. Quintero-Coronel DA, Lenis-Rodas YA, Corredor LA, Perreault P, Gonzalez-Quiroga A, Energy \textbf{220}, 119702 (2021).   http://doi.org/10.1016/J.ENERGY.2020.119702

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