1. Materialien für die optische Datenspeicherung
2. Johnson, G., Thomas, G. and others. 1989.Ullman's Encyclopedia of Industrial Chemistry A14,, 5th edn., Edited by: Elvers, B. and Gerhartz, W. 171Weinheim. Basel, Cambridge, New York: VCH.
3. Kaempf, G. and Mergel, D. 1995.Kirk-Othmer Encyclopedia of Chemical Technology,, 4th edn., Vol. 14, 277New York: Wiley.
4. A New Microscopic Principle