1. Arnold GW (1976) Thermoluminescence of ion-implanted SiO2. In: Chernaw F (ed) Ion implantation in semiconductors. Plenum Press, New York
2. Batrak EN (1958) A model for the colour and emission centres in quartz. Kristallografiya 3:626–627 (in Russian)
3. Bershov LV (1970) Isomorphism of Ti in natural minerals. Izv AN SSSR Ser Geol n12:47–54 (in Russian)
4. Blankenburg HJ, Götze J, Schulz H (1994) Quarzrohstoffe. Dt. Verl. f. Grundstoffind, Leipzig-Stuttgart
5. Botis SM, Nokhrin SM, Pan Y, Xu Y, Bonli T (2005) Natural radiation-induced damage in quartz. I. Correlations between cathodoluminescence colors and paramagnetic defects. Can Mineral 43:1565–1580