1. MINTEQA2/PRODEFA2, A Geochemical Assessment Model for Environmental Systems: Version 3.0 User’s Manual;Allison,1991
2. The Hydrolysis of Cations;Baes,1976
3. Thermodynamic properties of some synthetic zinc and copper minerals;Barton;Am. J. Sci. A,1960
4. The ZnSO4. 3Zn (OH) 2-H2O system. I. Phase formation;Bear;Aust. J. Chem.,1987
5. Copper ammonium complex salts. I. Determination of the equilibrium constants of the copper-ammine ions by means of ammonia-tension measurements, and by means of the solulbility data of a basic copper nitrate (gerhardtite);Bjerrum,1931