Roshani, M., Allameh, S. and Darkooti, E. (2012) “An Efficient and Eco-Friendly Solvent-Free Synthesis of β-Acetamido Ketones Using L-Proline As a Green and Reusable Catalyst”, Asian Journal of Chemistry, 25(4), pp. 1934–1936. doi: 10.14233/ajchem.2013.13244.