S. Doorn, C. Foster, T.P. Hoogkamer, H. Roukens and F.W. Saris, Atomic spectroscopy as a diagnostic tool in ion-beam contamination problems, Nucl. Instrum. Methods 120, 371-373 (1974)
R.Ch. Baas and C.I.M. Beenakker, Analysis of the intensity distribution in the rotational structure of the electronic spectra of diatomic molecules by computer simulation, Comput. Phys. Commun. 8, 236-245 (1974)
J. van de Ree and J.H. Los, Temperature dependent diffusion and thermal diffusion in dilute molecular mixtures: The Lorentzian case of hydrogen isotopic molecules in Ar and Kr, Physica 75, 548-559 (1974)