1. Isopiestic investigation of the osmotic and activity coefficients of aqueous MgSO4 and the solubility of MgSO4.7H2O(cr) at 298.15K;Archer;J. Chem. and Eng. Data,1998
2. Bukshtein V. M., Valyashko M. G., and Pel’sh A. D. (eds.) (1953) Spravochnik po rastvorimosti solevykh sistem. Vols. I and II. Izd. Vses. Nauch.- Issled. Inst. Goz., Goskhimizdat., Moscow-Leningrad, 1270p.
3. The Geochemistry of Natural Waters. Surface and Groundwater Environments;Drever,1997
4. Mineral equilibria in a six- component seawater system, Na-K-Mg-Ca-SO4-Cl-H2O, at 25°C;Eugster;Geochim. Cosmochim. Acta,1980
5. Gitterman K. E. (1937) Thermal analysis of sea water. CRREL TL 287. USACRREL, Hanover, New Hampshire.