1. Laser spectroscopy of solids;Holstein,1981
2. Phonon Sidebands, Multiphonon Relaxation of Excited States, and Phonon-Assisted Energy Transfer between Ions in Solids
3. Luminescence of inorganic solids;Auzel,1978
4. Lasers and excited states of rare earths;Reisfeld,1977
5. Radiationless processes in molecules and condensed phases;Wright,1976