B. Baranowski, A.E. de Vries, R.A. Haring and R. Paul, Thermal diffusion in systems with some transformable components, Adv. Chem. Phys. 16, 101-130 (1969)
W.F. van der Weg and D.J. Bierman, Excitation of Cu atoms by Ar ions and subsequent radiationless deexcitation of scattered particles near a Cu surface, Physica 44, 206-218 (1969)
D.A. Vroom and F.J. de Heer, Production of excited atoms by impact of fast electrons on molecular hydrogen and deuterium, J. Chem. Phys. 50, 580-590 (1969)
J.W.R. Fennema, On the impact of protons on hydrogen atoms. III. The parametric treatment applied to p,H collisions; Analytical aspects, Physica 44, 90-119 (1969)
J.F.M. Aarts and F.J. de Heer, Emission cross sections of the second positive group of nitrogen produced by electron impact, Chem. Phys. Lett. 4, 116-118 (1969)
F.W. Saris, W.F. van der Weg and D. Onderdelinden, Increase of characteristic X-ray production in a channelling direction, Radiat. Eff. 1, 137-138 (1969)
H.H. Brongersma and L.J. Oosterhoff, Singlet-triplet excitation of saturated hydrocarbons by low-energy electron impact, Chem. Phys. Lett. 3, 437-440 (1969)
