• D. Jaecks, F.J. de Heer and A. Salop, Excitation of Ne, Ar, Kr and Xe by He+ impact (0.3-35 keV; 3000Å-6000Å), Physica 36, 606-619 (1967)

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  • W.A. Oost, J.H. Los, A.N. van der Steege, A.J.H. Boerboom and A.E. de Vries, Measurement of relative diffusion coefficients and thermal diffusion factors of CO2 isotopes in Ar and He, Physica 36, 637-645 (1967)

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  • A. Tip, The influence of angular momentum anisotropy on the heat conductivity of dilute diatomic gases, Physica 37, 82-96 (1967)

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  • D.K. Gibson, J.H. Los and J.H.F.M. Schopman, Angular dependence of the collision-induced excitation of H2+, Phys. Lett. A 25, 634-635 (1967)

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  • H.R. Moustafa Moussa and F.J. de Heer, Excitation of helium to excited ion states by electron and proton impact, Physica 36, 646-654 (1967)

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  • J. Kistemaker, Is er een conflict mens-wetenschap?, Bres-Planete 9, 7-16 (1967)

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  • J. van de Ree, Classical scattering of an atom from an asymmetric molecule, Physica 37, 553-583 (1967)

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  • M.J. van der Wiel, F.J. de Heer and G. Wiebes, Double ionization of He, Phys. Lett. A 24, 423-424 (1967)

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  • I. Amdur, H. Inouye, J.H. Los and A.J.H. Boerboom, Determination of incomplete total cross sections of particles with argon electron configurations, with argon in the high energy range, Entropie 3, 79-81 (1967)

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  • E.A.T. Verdurmen, Mechanism of oxygen isotopic exchange in mixtures of carbon monoxide and oxygen in a quartz vessel, J. Phys. Chem. 71, 678-694 (1967)

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