• J.F.M. Aarts and F.J. de Heer, Emission cross sections of the second positive group of nitrogen produced by electron impact, Chem. Phys. Lett. 4, 116-118 (1969)

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  • F.W. Saris, W.F. van der Weg and D. Onderdelinden, Increase of characteristic X-ray production in a channelling direction, Radiat. Eff. 1, 137-138 (1969)

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  • H.H. Brongersma and L.J. Oosterhoff, Singlet-triplet excitation of saturated hydrocarbons by low-energy electron impact, Chem. Phys. Lett. 3, 437-440 (1969)

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  • A. Tip, A kinetic equation for dilute polyatomic gases, Phys. Lett. A 30, 147-148 (1969)

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  • A. Tip, Dispersion relations and sum rules for the transport coefficients of dilute ionized gases in a magnetic field, Physica 45, 147-164 (1969)

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  • G.A. Stevens, Transport cross sections for molecules with rotational degrees of freedom, Physica 44, 401-414 (1969)

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  • D.A. Vroom and F.J. de Heer, Production of excited hydrogen atoms by impact of fast electrons on some simple hydrocarbons, J. Chem. Phys. 50, 573-579 (1969)

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  • L. Vriens, Angular correlation of scattered and ejected electrons in ionizing collisions, Physica 45, 400-406 (1969)

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  • G.A. Stevens, An expansion of the potential between two rigid symmetrical tetrahedrons, Physica 44, 387-400 (1969)

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  • I. Amdur, H. Inouye, A.J.H. Boerboom, A.N. van der Steege, J.H. Los and J. Kistemaker, Elastic scattering of potassium ions in the energy range 150-4000 eV with argon, Physica 41, 566-574 (1969)

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