• 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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  • P. Mazur and J.-B. Sanders, On the derivation of the range equation for energetic particles in amorphous materials, Physica 44, 444-448 (1969)

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  • J. Politiek and J. Kistemaker, The flux distribution of sputtered potassium atoms, Radiat. Eff. 2, 129-131 (1969)

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  • E.P. Barbian and C.E. Rasmussen, Rotating plasma and gravitational instability, Plasma Phys. 11, 197-209 (1969)

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  • M.C. Moutinho, P.G. Ikelaar, J.H. Los and J. Kistemaker, Experimental study of a slit monoplasmatron ion source, Nucl. Instrum. Methods 71, 56-60 (1969)

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