Shrivastava, Anshu, et al. “A Comparative Study of Kinetics of HCl and HClO4 Acid Catalyzed Oxidation of 2-Butanone by Selenium Dioxide in Aqueous Acetic Acid Medium”. Asian Journal of Chemistry, vol. 16, no. 2, Aug. 2016, pp. 995-1000, https://asianpubs.org/index.php/ajchem/article/view/14593.