Beckmann, 1964, Spectrochimica Acta, 20, 1295, 10.1016/0371-1951(64)80157-0
Beckmann, 1963, Spectrochimica Acta, 19, 1541, 10.1016/0371-1951(63)80014-4
Long, 1963, Spectrochimica Acta, 19, 937, 10.1016/0371-1951(63)80181-2
Mills, 1963, Spectrochim. Acta, 19, 1585, 10.1016/0371-1951(63)80017-X
Coulson, 1947, Nature, 160, 793, 10.1038/160793b0
Nielsen, 1954, J. Chem. Phys., 22, 659, 10.1063/1.1740143
Levy, 1937, J. Am. Chem. Soc., 59, 2085, 10.1021/ja01290a002
Wentienk, 1958, J. Chem. Phys., 28, 826, 10.1063/1.1744279
Janz, 1960, J. Mol. Spectrosc., 5, 92, 10.1016/0022-2852(61)90073-X
Elliott, 1937, J. Am. Chem. Soc., 59, 1380, 10.1021/ja01286a065
Grison, 1950, Acta Cryst., 3, 290, 10.1107/S0365110X50000744
Dreuth, 1953, Acta Cryst., 6, 424, 10.1107/S0365110X53001150
Pistorius, 1958, J. Chem. Phys., 29, 1174, 10.1063/1.1744673
Duval, 1943, Bull. Soc. Chim. France, V/10, 517
Kübler, 1958, Diplomarbeit Freiburg i. Br.
Angell, 1957, Trans. Faraday. Soc., 53, 589, 10.1039/tf9575300589
Ladd, 1963, Spectrochim. Acta, 19, 1911, 10.1016/0371-1951(63)80209-X