Shekar Pulusu, Vijay, et al. “Silica Supported Acids (HClO4-SiO2, KHSO4-SiO2) As Eco-Friendly Reusable Catalysts for Bromodecarboxylation of α,Β-Unsaturated Carboxylic Acids Using KBr under Solvothermal and Solvent-Free Conditions”. Asian Journal of Chemistry, vol. 34, no. 3, Feb. 2022, pp. 535-42, doi:10.14233/ajchem.2022.23457.