Selzer, 1976, Phys. Rev. Lett., 36, 813, 10.1103/PhysRevLett.36.813
Thijssen, 1986, J. Chem. Phys., 85, 785, 10.1063/1.451286
Szeftel, 1975, Phys. Rev. Lett., 34, 657, 10.1103/PhysRevLett.34.657
Brawer, 1981, J. Chem. Phys., 75, 3522, 10.1063/1.442462
Brecher, 1976, Phys. Rev. B, 13, 81, 10.1103/PhysRevB.13.81
Brecher, 1980, J. Non-Cryst. Solids, 40, 469, 10.1016/0022-3093(80)90122-2
Brawer, 1982, J. Non-Cryst. Solids, 52, 321, 10.1016/0022-3093(82)90307-6
Capoblanco, 1986, Phys. Rev. B, 34, 4204, 10.1103/PhysRevB.34.4204
Brecher, 1978, Phys. Rev. B, 18, 5799, 10.1103/PhysRevB.18.5799
Denisov, 1967, Opt. i Spektr., 23, 472
1967, Opt. Spectrosc., 23, 251
Szabo, 1970, Phys. Rev. Lett., 25, 924, 10.1103/PhysRevLett.25.924
Kushida, 1975, Phys. Rev. B, 12, 824, 10.1103/PhysRevB.12.824
Kharlamov, 1974, Opt. Commun., 12, 191, 10.1016/0030-4018(74)90388-5
Gorokhovskii, 1974, JETP Lett., 20, 216
Friedrich, 1984, Angew. Chemie Int. Ed., 23, 113, 10.1002/anie.198401131
Kurnit, 1964, Phys. Rev. Lett., 13, 567, 10.1103/PhysRevLett.13.567
Anderson, 1972, Phil. Mag., 25, 1, 10.1080/14786437208229210
Phillips, 1972, J. Low. Temp. Phys., 7, 351, 10.1007/BF00660072
Alexander, 1982, J. de Phys. Lett., 43, L625, 10.1051/jphyslet:019820043017062500
Alexander, 1983, Phys. Rev. B, 28, 4615, 10.1103/PhysRevB.28.4615
Rand, 1979, Phys. Rev. Lett., 43, 1868, 10.1103/PhysRevLett.43.1868
Macfarlane, 1980, Opt. Commun., 32, 101, 10.1016/0030-4018(80)90323-5
Szabo, 1975, Phys. Rev. B, 11, 4512, 10.1103/PhysRevB.11.4512
Rebane, 1982, Appl. Phys. B, 29, 235, 10.1007/BF00689182
Macfarlane, 1983, Opt. Commun., 45, 46, 10.1016/0030-4018(83)90407-8
Hayes, 1981, J. Chem. Phys., 74, 4266, 10.1063/1.441669
Gorokhovskii, 1978, Zh. Prikl. Spektrosk., 28, 832
1978, J. Appl. Spectrosc., 28, 566, 10.1007/BF00619665
Thijssen, 1985, Chem. Phys. Lett., 120, 496, 10.1016/0009-2614(85)80541-8
Macfarlane, 1983, VI, 113
Rebane, 1985, Cryst. Lett. Def. and Amorph. Mat., 12, 427
Walsh, 1986, Chem. Phys. Lett., 130, 6, 10.1016/0009-2614(86)80414-6
C.A. Walsh, M. Berg, L.R. Narasimhan and M.D. Fayer, J. Chem. Phys. to be published.
Hegarty, 1983, Phys. Rev. Lett., 51, 2033, 10.1103/PhysRevLett.51.2033
Broer, 1986, Phys. Rev. B, 33, 4160, 10.1103/PhysRevB.33.4160
Hesselink, 1979, Phys. Rev. Lett., 43, 1991, 10.1103/PhysRevLett.43.1991
Shelby, 1983, Opt. Lett., 8, 88, 10.1364/OL.8.000088
Asaka, 1984, Phys. Rev. A, 29, 2286, 10.1103/PhysRevA.29.2286
Molenkamp, 1985, J. Chem. Phys., 83, 1, 10.1063/1.449809
Bergin, 1986, J. Lum., 34, 307, 10.1016/0022-2313(86)90074-8
Weber, 1981, Phys. Rev. B, 23, 11, 10.1103/PhysRevB.23.11
Avouris, 1977, Chem. Phys. Lett., 50, 9, 10.1016/0009-2614(77)80669-6
Avouris, 1977, J. Chem. Phys., 67, 3397, 10.1063/1.435291
Morgan, 1981, Chem. Phys. Lett., 84, 213, 10.1016/0009-2614(81)80328-4
Reinecke, 1979, Solid State Commun., 32, 1103, 10.1016/0038-1098(79)90840-8
Lyo, 1980, Phys. Rev. B, 22, 4223, 10.1103/PhysRevB.22.4223
Lyo, 1982, Phys. Rev. Lett., 48, 688, 10.1103/PhysRevLett.48.688
Reineker, 1982, Chem. Phys. Lett., 86, 359, 10.1016/0009-2614(82)83523-9
Huber, 1982, J. Non-Cryst. Solids, 51, 241, 10.1016/0022-3093(82)90008-4
Dixon, 1986, Phys. Rev. B, 33, 2713, 10.1103/PhysRevB.33.2713
Hegarty, 1979, Phys. Rev. Lett., 43, 1126, 10.1103/PhysRevLett.43.1126
Yen, 1964, Phys. Rev., 136, A271, 10.1103/PhysRev.136.A271
Erickson, 1975, Opt. Commun., 15, 246, 10.1016/0030-4018(75)90295-3
Kohmoto, 1983, Jap. J. Appl. Phys., 22, L571, 10.1143/JJAP.22.L571
Pellegrino, 1980, J. Appl. Phys., 51, 6332, 10.1063/1.327621
Huber, 1984, Phys. Rev. Lett., 52, 2281, 10.1103/PhysRevLett.52.2281
Klauder, 1962, Phys. Rev., 125, 912, 10.1103/PhysRev.125.912
Mims, 1968, Phys. Rev., 168, 370, 10.1103/PhysRev.168.370
Hu, 1978, Phys. Rev. B, 18, 1300, 10.1103/PhysRevB.18.1300
Lasjaunias, 1975, Solid State Commun., 17, 1045, 10.1016/0038-1098(75)90251-3
Brundage, 1986, Phys. Rev. B, 33, 4436, 10.1103/PhysRevB.33.4436
Funfschilling, 1984, Chem. Phys. Lett., 110, 315, 10.1016/0009-2614(84)85236-7
Völker, 1976, Mol. Phys., 32, 1703, 10.1080/00268977600103021
Graf, 1978, Chem. Phys. Lett., 59, 217, 10.1016/0009-2614(78)89082-4
Thijssen, 1982, Chem. Phys. Lett., 92, 7, 10.1016/0009-2614(82)83402-7
Thijssen, 1983, Chem. Phys. Lett., 94, 537, 10.1016/0009-2614(83)85050-7
Thijssen, 1985, Chem. Phys. Lett., 120, 503, 10.1016/0009-2614(85)80542-X
Lee, 1985, Chem. Phys. Lett., 114, 491, 10.1016/0009-2614(85)85127-7
Hayes, 1980, J. Chem. Phys., 73, 4129, 10.1063/1.440600
Gorokhovskii, 1981, Fiz. Tverd. Tela, 23, 1040
1981, Sov. Phys. Sol. State, 23, 602
van den Berg, 1986, Chem. Phys. Lett., 127, 525, 10.1016/0009-2614(86)80602-9
Friedrich, 1983, Chem. Phys. Lett., 95, 119, 10.1016/0009-2614(83)85079-9
Jankowiak, 1983, Chem. Phys. Lett., 95, 310, 10.1016/0009-2614(83)80564-8
Thijssen, 1983, Chem. Phys. Lett., 97, 295, 10.1016/0009-2614(83)80011-6
Thijssen, 1983, Chem. Phys. Lett., 103, 23, 10.1016/0009-2614(83)87066-3
Thijssen, 1986, J. Chem. Phys., 85, 785, 10.1063/1.451286
Dicker, 1981, Chem. Phys. Lett., 84, 415, 10.1016/0009-2614(81)80375-2
Gorokhovskii, 1986, Chem. Phys. Lett., 125, 355, 10.1016/0009-2614(86)85171-5
Gorokhovskii, 1980, Izv. Akad. Nauk, SSR Ser. Fiz., 44, 859
Burkhalter, 1983, Chem. Phys. Lett., 94, 483, 10.1016/0009-2614(83)85037-4
Burland, 1978, Chem. Phys. Lett., 56, 221, 10.1016/0009-2614(78)80226-7
Machetti, 1977, Chem. Phys. Lett., 51, 424, 10.1016/0009-2614(77)85391-8
Morawitz, 1982, Solid State Commun., 42, 609, 10.1016/0038-1098(82)90619-6
Jackson, 1983, Chem. Phys. Lett., 99, 381, 10.1016/0009-2614(83)87551-4
Carter, 1983, Chem. Phys. Lett., 102, 272, 10.1016/0009-2614(83)87406-5
Reineker, 1984, Phys. Rev. B, 29, 4546, 10.1103/PhysRevB.29.4546
Lyo, 1984, Phys. Rev. B, 29, 2300, 10.1103/PhysRevB.29.2300
Kassner, 1986, Chemical Physics, 106, 345, 10.1016/0301-0104(86)87105-1
Kassner, 1986, Chemical Physics, 106, 371, 10.1016/0301-0104(86)87106-3
Huber, 1986, Phys. Rev. B, 33, 7297, 10.1103/PhysRevB.33.7297
Graebner, 1979, Phys. Rev. B, 19, 964, 10.1103/PhysRevB.19.964
Golding, 1976, Phys. Rev. B, 14, 1660, 10.1103/PhysRevB.14.1660
