Klingan, K., Ringleb, F., Zaharieva, I., Heidkamp, J., Chernev, P., Gonzalez-Flores, D., Risch, M., Fischer, A., & Dau,
H. (2014). Water Oxidation by Amorphous Cobalt-Based Oxides: Volume Activity and Proton
Transfer to Electrolyte Bases. ChemSusChem: chemistry & sustainability, energy & materials,
7(5), 1301-1310. doi:10.1002/cssc.201301019.