F.W. Saris, I.V. Mitchell, D.C. Santry, J.A. Davies and R. Laubert: Radiative transitions between transient molecular-orbitals in atomic collisionsIn: International Conference on Inner shell Ionization Phenomena : On the Production and Decay of Atomic Inner Shell Vacancies : April 17-21, 1972, Georgia Institute of Technology, 1972. - pp. 1255-1282
H.J. Hopman: Instabilities in a system of a plasma and an intense relativistic electron beamIn: Symposium on Plasma Heating and Injection, Varenna, Villa Monastero, Italy, September 21 - October 4, 1972 : Lectures and Seminars, [s.n.], 1972. - pp. 232-242
A.P.H. Goede, H.J. Hopman and P. Massmann: Decay of a R.F.plasma in different field geometriesIn: Fifth European Conference on Controlled Fusion and Plasma Physics, Grenoble, France, August 21-25, 1972 : Contributed Papers, Service d'Ionique Generale, Association Euratom-Cea, Centre d'Etudes Nucleaires de Grenoble, 1972.
H.J. Hopman and J.H.A. van Wakeren: Beam-plasma instabilities excited by the anomalous Doppler effectIn: Fifth European Conference on Controlled Fusion and Plasma Physics, Grenoble, France, August 21-25, 1972 : Contributed Papers, Euratom, 1972.
H.J. Hopman, B. Jurgens and J.H.A. van Wakeren: Beam trapping in a beam-plasma systemIn: Fifth European Conference on Controlled Fusion and Plasma Physics, Grenoble, France, August 21-25, 1972 : Contributed Papers, Euratom, 1972.
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.H.A. van Wakeren and H.J. Hopman: Phase and amplitude correlations between h.f. bursts in a beam-plasma experimentIn: Tenth International Conference on Phenomena in Ionized Gases 1971, Oxford, England, September 13-18th, 1971, Parsons, 1971.
A.P.H. Goede, G.J. Brakenhoff, H.J. Hopman and P. Massmann: Production of a very quiescent plasma in "skipping"In: Tenth International Conference on Phenomena in Ionized Gases 1971. Oxford, England, September 13-18th, 1971, Parsons, 1971.
A.J.H. Boerboom: Ion opticsIn: Recent Developments in Mass Spectroscopy : Proceedings of the International Conference on Mass Specroscopy, Kyoto /ed. K. Ogata and T. Hayakawa, University of Tokyo Press, 1970. - pp. 83-87