1. Fluorescence of europium(III) trapped in silica gel-glass as a probe for cation binding and for changes in cage symmetry during gel dehydration
2. R. Reisfeld, in: M.A. Aegerter, M. Jafelicci Jr., D.F. Souza, E.D. Zanotto (Eds.), Proc. Winter School on Glasses and Ceramics from Gels, Sol–Gel Science and Technology, Brazil, World Scientific, Singapore, August 1989, p. 323.
3. R. Reisfeld, C.K. Jorgensen, in: R. Reisfeld, C.K. Jorgensen (Eds.), Structure and Bonding, Vol. 77, Springer, 1992, p. 207.
4. Nd-doped silica glass I: Structural evolution in the sol-gel state
5. Characterisation of doped sol-gel derived silica hosts for use in tunable glass lasers