1. K. Helle, Interfinish — 96 World Congress, 10–12 September 1996. Advance Copy, The Institute of Metal Finishing, Birmingham, UK, 1996, p. 291.
2. J.-P. Celis, J. Fransaer, Interfinish — 96 World Congress, 10–12 September 1996. Advance Copy, The Institute of Metal Finishing, Birmingham, UK, 1996, p. 377.
3. R.S. Saifullin, Physical Chemistry of Inorganic Polymer and Composite Materials, Eilis Horwood, Chichester, UK, 1991.