1. I. J. M. Snijkers-Hendriks and J. van de Ven, in Proceedings of the 16th International Congress on Glass, Vol. 4 (Beijing, 1995), p. 9.
2. V. Chernyak, R. Reisfeld, R. Gvishi, and D. Venezky, Sens. Mater. 2, 177 (1990).
3. V. Chernyak and R. Reisfeld, Sens. Mater. 4, 195 (1993).
4. R. Reisfeld, R. Zusman, Y. Cohen, and M. Eyal, Chem. Phys. Lett. 147, 142 (1988).
5. C. A. Parker, Photoluminescence of Solutions, With Applications to Photochemistry and Analytical Chemistry [Elsevier, Amsterdam-New York, 1968; Mir, Moscow, 1972].