1. M.H. Selle, Hydrolysis and condensation of metal alkoxides in alcohols and in colloidal matrices, Department of Chemistry, University of Bergen, 1995.
2. R.K. Iler, The Chemistry of Silica, Wiley, New York, 1979.
3. Preparation of silica particles utilizing the sol-gel and the emulsion-gel processes
4. C.J. Brinker, G.W. Scherer, Sol–Gel Science: the Physics and Chemistry of Sol–Gel Processing, Academic Press, San Diego, CA, 1990.
5. Dynamic viscoelasticity and critical exponents in sol‐gel transition of an end‐linking polymer