References
- Kastner , M. 1980 . J. non-crystalline Solids , 35–36 : 807
- Lin , Y. and Hanson , D. M. 1989 . J. phys. Chem. , 93 : 1851
- Monroe , D. 1985 . Phys. Rev. Lett. , 54 : 146
- Morgan , J. and El-Sayed , M. A. 1983 . J. phys. Chem. , 87 : 2178
- Movaghar , B. , Grünewald , M. , Ries , B. , Bässler , H. and Würtz , D. 1986a . Phys. Rev. B , 33 : 5545
- Movaghar , B. , Ries , B. and Grünewald , M. 1986b . Phys. Rev. B , 34 : 5574
- Pautmeier , L. , Rauscher , U. and Bässler , H. 1990 . Chem. Phys. , 146 : 291