Yu, S.R., Y.G. Chen, S.S. Gao, X.D. Wang, and W. Huang. 2013. “Hydrogenation of CO for Alcohol Over Cu-ZnO-Al2O3 Catalysts Prepared by Completely Liquid-Phase Technology and Sol-Gel Methods: A Comparative Study”. Asian Journal of Chemistry 25 (12):6856-60. https://doi.org/10.14233/ajchem.2013.14973.