Kumar N., Leino E., Mäki-Arvela P., Aho A., Käldström M., Tuominen M., Laukkanen P., Eränen K., Mikkola J.-P., Salmi T., Murzin D.Y. Synthesis and characterization of solid base mesoporous and microporous catalysts: Influence of the support, structure and type of base metal. 2012. Microporous and Mesoporous Materials. 152. 71-77. 10.1016/j.micromeso.2011.12.004.