Baker, 1968, Int. J. Mass Spectrom. Ion Phys., 1, 285, 10.1016/0020-7381(68)85005-3
Walsh, 1967, Trans. Faraday Soc., 63, 524, 10.1039/tf9676300524
Walsh, 1968, Trans. Faraday Soc., 64, 1418, 10.1039/tf9686401418
Favini, 1958, Nuovo Cimento, 9, 1058, 10.1007/BF02777956
Gregson, 1969, Mol. Phys., 17, 49, 10.1080/00268976900100771
Walsh, 1968, Trans. Faraday Soc., 64, 1432, 10.1039/tf9686401432
Price, 1960, Proc. Roy. Soc. (London), A258, 459
Streitwieser, 1960, J. Am. Chem. Soc., 82, 4123, 10.1021/ja01501a001
Howe, 1962, J. Chem. Phys., 36, 841, 10.1063/1.1732619
Winther, 1967, Spectrochim. Acta, 23A, 1839, 10.1016/0584-8539(67)80066-7
Bernstein, 1949, J. Chem. Phys., 17, 556, 10.1063/1.1747320
Teegan, 1951, Trans. Faraday Soc., 47, 1, 10.1039/tf9514700001
Momigny, 1961, Nature, 191, 1089, 10.1038/1911089a0
Momigny, 1963, Nature, 199, 1179, 10.1038/1991179a0