Reference Label	Details
Aston 1955	J. G. Aston and F. L. Gittler, J. Am. Chem. Soc. 77, 3173-3174 (1955) The Electromotive Force of the Cell H2, HCl(g), AgCl(s), Ag(s) at 25°. Derived Values from 0 to 40°
as quoted by CODATA Key Vals	as quoted by CODATA Key Vals