Bagirzade, G.A., et al. “Preparation of Phthalimide and Kinetics of Vapour Phase Ammoxidation of O-Xylene on V-Sb-Bi-Cr G-Al2O3 Oxide Catalyst-III”. Asian Journal of Chemistry, vol. 30, no. 2, Dec. 2017, pp. 305-8, doi:10.14233/ajchem.2018.20915.