Wagman, D.
, Evans, W.
, Parker, V.
and Schumm, R.
(1976),
Chemical thermodynamic properties of compounds of sodium, potassium and rubidium ::an interim tabulation of selected values, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NBS.IR.76-1034
(Accessed December 26, 2024)