Percy Max Apfelbaum
Dale Dubin
M. Lozano
Manfred von Ardenne
Unknown Author
Edwin Joseph Cohn
Olah, George A.
Gerhard Heinrich Dieke
Emil Thomas Kaiser
M. R. C. McDowell
Conference on Optical Properties of Ions in Crystals (1966 Johns Hopkins University)
Michael Szward
Georges Cottier
Jiří Koryta
Tomas Baer
John H. Holloway
Hunt, John P.
Ira S. Krull
K. H. Bennemann
Maitland Jones