W.A. Oost, J.H. Los, A.N. van der Steege, A.J.H. Boerboom and A.E. de Vries, Measurement of relative diffusion coefficients and thermal diffusion factors of CO2 isotopes in Ar and He, Physica 36, 637-645 (1967)
I. Amdur, H. Inouye, J.H. Los and A.J.H. Boerboom, Determination of incomplete total cross sections of particles with argon electron configurations, with argon in the high energy range, Entropie 3, 79-81 (1967)
E.A.T. Verdurmen, Mechanism of oxygen isotopic exchange in mixtures of carbon monoxide and oxygen in a quartz vessel, J. Phys. Chem. 71, 678-694 (1967)