1. Borosnovskaya NN, Lesnov FP, Scherbakova MYa (1982) On the X-ray luminescence of Fei+ in calcic plagioclase (in Russian). Geokhimiya No 9: 129–131
2. Boroznovskaya NN, Makagon VM, Zhukova AI (1996) Luminogen generation in rare-metal pegmatite K-feldspar as affected by geochemical and crystal-chemical factors (in Russian). Geokhimiya No 12: 1202–1209
3. Bruno E and Pentinghaus H (1974) Substitution of cations in natural and synthetic feldspars. In: MacKanzie WS and Zussman J (eds) The feldspars. Manchester University Press, Manchester, pp 574–609.
4. Cerny P (1994) Evolution of feldspars in granitic pegmatites. In: Parsons I (ed) Feldspars and their reactions. NATO ASI Ser. C 421, Kluwer Acad Publ, Dordrecht-Boston-London, pp 501–540
5. De St. Jorre L and Smith DGW (1988) Cathodoluminescent gallium-enriched feldspars from the Thor Lake rare-metal deposits, Northwest territories. Can Miner 26: 301–308