Ariunaa, A., D. Bernhardt, M. Beckmann, K. Gebauer, N. Hack, A. Seifert, R. Fischer, S. Unz, J. Narangerel, and B. Purevsuren. “Research on the Thermal Decomposition of Mongolian Baganuur Lignite and Naryn Sukhait Bituminous Coal”. Mongolian Journal of Chemistry, vol. 16, Mar. 2016, pp. 22-29, doi:10.5564/mjc.v16i0.665.