Y. S. Al-Zeghayer, A. S. Al-Awadi, B. Y. Jibril, M. A. Soliman, and S. Al-Mayman, “Partial Oxidation of Ethane to Acetic Acid on Titania Supported MoVNbPd Catalyst”, ajc, vol. 25, no. 14, pp. 7979–7985, Aug. 2013.