1. Light Scattering Spectra of Solids,1969
2. Raman scattering by polaritons in tetragonal BaTiO3
3. Light Scattering Spectra of Solids;Burstein,1969
4. USHIODA S., thesis, University of Pennsylvania, (unpublished). See also paper E-1, p. 347 of reference (1).