by Moffat, P. H.
Published in Monthly notices of the Royal Astronomical Society (01.09.1971)

by Ballard, J., Johnston, W.B., Moffat, P.H., Llewellyn-Jones, D.T.
Published in Journal of quantitative spectroscopy & radiative transfer (01.04.1985)

by Emery, R.J., Moffat, P.H., Harris, L.D.J., Gebbie, H.A.
Published in Journal of quantitative spectroscopy & radiative transfer (01.01.1979)