Dickson, A. D., Mills, I. and Crawford, Jnr., B. (1957) Vibrational intensities VIII: CH3- and CD3- chloride, bromide and iodide. The Journal of Chemical Physics, 27. pp. 445-455. ISSN 0021-9606 doi: https://doi.org/10.1063/1.1743744

King, W. T., Mills, I. and Crawford, Jnr., B. (1957) Normal coordinates in the methyl halides. The Journal of Chemical Physics, 27 (2). pp. 455-457. ISSN 0021-9606 doi: https://doi.org/10.1063/1.1743745

Nyquist, I., Mills, I., Person, W. B. and Crawford Jnr., B. (1957) Vibrational intensities VII: ethane and ethane-d6. The Journal of Chemical Physics, 26 (3). pp. 552-558. ISSN 0021-9606 doi: https://doi.org/10.1063/1.1743343