1. Byrappa K (ed) (1990) Hydrothermal growth of crystals. Prog Cryst Grow Charact 21
2. Byrappa K, Yoshimura M (2001) Handbook of hydrothermal technology. Noyes Publications, NJ, USA
3. Schafthaul KFE (1845) Gelehrte Anzeigen Bayer Akal 20:557
4. Morey GW, Niggli P (1913) J Am Chem Soc 35:1086
5. Bayer KJ (1887) cited by HABASHI F In: A textbook of hydrometallurgy. Libraire Universitaire du Quebec, Canada (1993), p 10