1. Electronic Spectra of Molecules and ions in Crystals;McClure,1959
2. Potential uses of chromium (III) doped transparent glass ceramics in luminescent solar concentrators;Reisfeld,1985
3. Effects of disorder on the spectral properties of Cr-doped glasses, glassceramics and crystals;Boulon,1988
4. Advanced Inorganic Chemistry;Cotton,1972
5. Group Theory and Chemistry;Bishop,1973