Ananthan*, S.A., and V. Narayanan. “Silica Supported Bimetallic Catalysts for Liquid Phase Selective Hydrogenation of Citral”. Asian Journal of Chemistry, vol. 23, no. 5, Jan. 2011, pp. 2115-20, https://asianpubs.org/index.php/ajchem/article/view/10383.