L. Long, H. Hung, V. Ha, P. Yen, P. Phong, and L. Hung, “Hydrogen Evolution from Water in Presence of Diethylamine Acetate and 1-Butyl-3-methyl Imidazolium Tetrafluoroborate Ionic Liquids as Electrocatalysts on Different Electrode Materials”, ajc, vol. 26, no. 22, pp. 7591–7596, Nov. 2014.