Dauby, C., Glibert, J., & Claes, P. (1980). Water and Oxide Ions Concentration-dependence of the Specific Mass and Conductance of the Molten Naoh-koh Eutectic Mixture. Electrochimica Acta, 25(8), 1077-1081. https://doi.org/10.1016/0013-4686(80)87018-6 (Original work published 1980)