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Duncan, J. L. and Mills, I. (1964) Force fields for CF4 and SiF4. Spectrochimica Acta, 20 (6). pp. 1089-1093. ISSN 1386-1425 doi: https://doi.org/10.1016/0371-1951(64)80109-0

Duncan, J. L. and Mills, I. (1964) The calculation of force constants and normal coordinates IV: XH4 and XH3 molecules. Spectrochimica Acta, 20 (3). pp. 523-546. ISSN 0371-1951 doi: https://doi.org/10.1016/0371-1951(64)80047-3

Mills, I. (1964) Raman selection rules for vibration-rotation transitions in symmetric top molecules. Molecular Physics, 8 (4). pp. 363-373. ISSN 1362-3028 doi: https://doi.org/10.1080/00268976400100401

Mills, I. (1964) Selection rules for rovibronic transitions in symmetric top molecules. Molecular Physics, 7. pp. 549-563. ISSN 1362-3028 doi: https://doi.org/10.1080/00268976300101361

Smith, W. L. and Mills, I. (1964) Coriolis perturbations in the infrared spectrum of diborane. The Journal of Chemical Physics, 41. pp. 1479-1485. ISSN 0021-9606 doi: https://doi.org/10.1063/1.1726093

Smith, W. L. and Mills, I. (1964) Coriolis perturbations in the infrared spectrum of ethylene. The Journal of Chemical Physics, 40. pp. 2095-2109. ISSN 0021-9606 doi: https://doi.org/10.1063/1.1725478