• J.G. Bannenberg, F.W. Saris and A. Tip, Een systeem voor het ijken van vacuümmeters in het drukgebied van 10-3 - 10-5 torr, Ned. Tijdschr. Vacuumtech. 7, 81-85 (1969)

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  • W.F. van der Weg and D.J. Bierman, Collisions of Ar+ ions with surface Cu atoms and charge exchange of scattered ions near the metal surface, Physica 44, 177-205 (1969)

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  • J.W.R. Fennema, On the impact of protons on hydrogen atoms. II Fundamental aspects concerning the parametric treatment, Physica 43, 401-418 (1969)

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  • J. Kistemaker, De wisselwerking van zware deeltjes met metaaloppervlakken = The interaction of heavy particles with metal surfaces, Ned. Tijdschr. Vacuumtech. 7, 28-37 (1969)

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  • J. van den Bos, G.J.M. Winter and F.J. de Heer, Excitation of helium by H2+ and H3+ (1-150 keV), Physica 44, 143-160 (1969)

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  • C.A. Visser, J. Wolleswinkel and J.H. Los, On the interaction of hyperthermal potassium atoms with a tungsten surface, Entropie 30, 61-64 (1969)

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  • J. Kistemaker, Gastechnische problemen uit de 18e eeuw in het Teyler Museum = Gas handling problems in the 18th century, Ned. Tijdschr. Vacuumtech. 7, 109-115 (1969)

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  • H.F. Vugts, A.J.H. Boerboom and J.H. Los, Measurements of relative diffusion coefficients of argon, Physica 44, 219-226 (1969)

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  • J. Politiek and J.H. Los, A new type of surface ionization detector, Rev. Sci. Instrum. 40, 1576-79 (1969)

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  • J.F.M. Aarts, F.J. de Heer, B.F.J. Luyken, F.W. Saris, L. Vriens and D.A. Vroom, New developments for the absolute calibration of light intensities in the far ultraviolet, Physica 41, 209-212 (1969)

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