Culkin, F.; Smith, N. D. (1980). "Determination of the Concentration of Potassium Chloride Solution Having the Same Electrical Conductivity, at 15 C and Infinite Frequency, as Standard Seawater of Salinity 35.0000 ‰ (Chlorinity 19.37394 ‰)". IEEE J. Oceanic Eng. OE-5 (1): 22–23. Bibcode:1980IJOE....5...22C. doi:10.1109/JOE.1980.1145443.
Culkin, F.; Smith, N. D. (1980). "Determination of the Concentration of Potassium Chloride Solution Having the Same Electrical Conductivity, at 15 C and Infinite Frequency, as Standard Seawater of Salinity 35.0000 ‰ (Chlorinity 19.37394 ‰)". IEEE J. Oceanic Eng. OE-5 (1): 22–23. Bibcode:1980IJOE....5...22C. doi:10.1109/JOE.1980.1145443.