1. Boyle, R., Experiments and Considerations upon Colours with Observations on a Diamond that Shines in the Dark (1663).
2. Daniels, F., Boyd, C. A., and Saunders, D. F., Science, 117, 343 (1953).
3. Luminescence Dosimetry (edit. by Attix, F. H.) (US Atomic Energy Commission, 1967).
4. Thermoluminescence of Geological Materials (edit. by McDougall, D. J.) (Academic Press, 1968).
5. Grögler, N., Houtermans, F. G., and Stauffer, H., Helv. Phys. Acta, 33, 595 (1960).