F.J. de Heer and J.D. Carri, Emission of the Werner Band System and Lyman-alpha radiation for 0.05-6-keV electrons in H2, J. Chem. Phys. 55, 3829-3835 (1971)
J.A. Cabral and H.J. Hopman: The measurement of the total distribution function f(v^, v||) in a magnetic fieldIn: Tenth International Conference on Phenomena in Ionized Gases 1971. Oxford, England, September 13-18th, 1971, Parsons, 1971.
H.J. Hopman: Evidence for explosive three-wave interactionIn: Tenth International Conference on Phenomena in Ionized Gases 1971, Oxford, England, September 13-18th, 1971, Parsons, 1971.
J.J.P. Elich, H.E. Roosendaal and D. Onderdelinden, Copper single crystal sputtering in the temperature range from 50 K to 600 K, Radiat. Eff. 10, 175-184 (1971)
A.P.H. Goede, G.J. Brakenhoff, H.J. Hopman and P. Massmann, Production of a very quiescent plasma in "Skipping" magnetic fields, Phys.Rev.Lett. 27, 1044-1047 (1971)
A.P.M. Baede, W.F. Jungmann and J.H. Los, Production of neutral alkali dimers by sputtering; total elastic cross sections of potassium dimers on the noble gases, Physica 54, 459-467 (1971)