C. W. Struck, 1975, J. Lumines., 11, 1, 10.1016/0022-2313(75)90029-0
D. S. McClure, 1962, J. Chem. Phys., 36, 2757, 10.1063/1.1732364
D. S. McClure, 1959, Solid State Physics
A. Misu, 1964, J. Phys. Soc. Jpn., 19, 2260, 10.1143/JPSJ.19.2260
P. Kisliuk, 1967, Phys. Rev., 160, 307, 10.1103/PhysRev.160.307
N. F. Mott, 1938, Proc. R. Soc. Lond. A, 167, 384, 10.1098/rspa.1938.0137
R. W. Gurney, 1939, Trans. Faraday Soc., 35, 69, 10.1039/tf9393500069
H. W. Moos, 1970, J. Lumines., 106, 10.1016/0022-2313(70)90027-X
A. Kiel, 1964, Proceedings of the Third International Conference on Quantum Electronics, Paris, 1963
L. S. Forster, 1969, Transition Metal Chemistry
C. Manneback, 1951, Physica (Utr.), 17, 1001, 10.1016/0031-8914(51)90008-0
W. H. Fonger, 1974, J. Chem. Phys., 60, 1994, 10.1063/1.1681306
J. Brossel, 1963, Paramagnetic Resonance
B. N. Grechushnikov, 1955, Zh. Eksp. Teor. Fiz., 29, 384
R. S. Krishnan, 1947, Proc. Ind. Acad. Sci. A, 26, 450, 10.1007/BF03170901
K. Huang, 1950, Proc. R. Soc. Lond. A, 204, 406, 10.1098/rspa.1950.0184
S. A. Pollack, 1967, J. Appl. Phys., 38, 13, 10.1063/1.1709279
P. N. Everett, 1970, J. Appl. Phys., 41, 3193, 10.1063/1.1659396
E. E. Bukke, 1963, Opt. Spektrosk., 14, 687
Z. L. Morgenshtern, 1973, Luminescence of Crystals, Molecules, and Solutions
F. D. Camassei, 1969, J. Chem. Phys., 50, 2603, 10.1063/1.1671422
F. Castelli, 1974, J. Lumines., 8, 252, 10.1016/0022-2313(74)90060-X
D. L. Wood, 1965, J. Chem. Phys., 42, 3404, 10.1063/1.1695742