1. Spectra, and Energy Levels of Rare Earth Ions in Crystals, J. Wiley, and Sons, Inc., New York 1968.
2. , Their Physics, and Properties, Springer-Verlag, Berlin/Heidelberg/New York 1981.
3. Achievements in the field of physics and spectroscopy of activated laser crystals
4. Ultraviolet solid-state Ce:YLF laser at 325 nm
5. , and , Digest of Topical Meeting on Excimer Lasers, Charleston (USA), 11 to 13 September 1979 (p. ThA 4/l-4).