Reference Label	Details
CODATA Key Vals	J. D. Cox, D. D. Wagman, and V. A. Medvedev, "CODATA Key Values for Thermodynamics", Hemisphere: New York 1989
Harned 1958	H. S. Harned and B. B. Owen, "The Physical Chemistry of Electrolyte Solutions", 3rd ed., Reinhold: New York 1958