D.J. Auerbach, M.M. Hubers, A.P.M. Baede and J.H. Los, Chemi-ionization in alkali-heteronuclear halogen collisions: role of excited molecular ion states, Chem. Phys. 2, 107-118 (1973)
J.H.F.M. Schopman, P.G. Fournier and J.H. Los, The dissociation of 10 keV HeH+ molecular ions IV. Rotational predissociation of the X1S state, Physica 63, 518-526 (1973)
N. Stolterfoht, F.J. de Heer and J. van Eck, Charge-state dependence of the argon L-shell fluorescence yield studied by H+, H2+, and He+ impact, Phys.Rev.Lett. 30, 1159-1162 (1973)
A.P.H. Goede, G.J. Brakenhoff, H.J. Hopman and P. Massmann, Properties of an extremely quiescent plasma stabilized with permanent magnets, Plasma Phys. 15, 977-993 (1973)
C.P. Bhalla and P. Richard, Role of Coster-Kronig transitions in multiply-ionized states formed in heavy-ion collisions, Phys. Lett. A 45, 53-54 (1973)