Saifuddin Khalid, Md., P. Sanath Kumar Goud, and B. Sunil Kumar. 2010. “VCl3: A Mild and Efficient Catalyst for Chemo Selective Synthesis of 1,1-Diacetates From Aldehydes Under Solvent Free Conditions”. Asian Journal of Chemistry 21 (7):5465-68. https://asianpubs.org/index.php/ajchem/article/view/18336.