C. Genovese, C. Ampelli, B. Marepally, G. Papanikolaou, S. Perathoner, and G. Centi, “Electrocatalytic Reduction of CO₂ for the Production of Fuels: a Comparison between Liquid and Gas Phase Conditions”, Chemical Engineering Transactions, vol. 43, pp. 2281-2286, May 2015.