Kushwaha, Usha, A.K. Singh, and Amita Singh. 2012. “Ruthenium(III) Catalyzed Oxidation of Fumaric Acid by Cerium(IV): A Kinetic and Mechanistic Approach”. Asian Journal of Chemistry 24 (6):2373-76. https://asianpubs.org/index.php/ajchem/article/view/9135.