Shavina, et al. “Electrochemical Reactions of Aldehydes Ketones at Sacrificial Nickel Anode: Synthesis and Characterization of Nickel(II) Glycolates and Their Coordination Complexes”. Asian Journal of Chemistry, vol. 30, no. 6, Apr. 2018, pp. 1247-51, doi:10.14233/ajchem.2018.21186.