Awasthi, Anupam, et al. “Epoxidation of Acrylic Acid by Tetraethylammonium Chlorochromate in an Aquo-Acetic Acid-A Kinetic Study”. Asian Journal of Chemistry, vol. 23, no. 1, Sept. 2010, pp. 410-2, https://asianpubs.org/index.php/ajchem/article/view/10080.