Verbeek, H. Surface Science (OP), Max Planck Institute for Plasma Physics, Max Planck Society;
Verbeek, H., Poschenrieder, W., Fu, J.-K., Soeldner, F., & ASDEX-Team (1989). The Particle Fluxes in the Edge Plasma During Discharges with Improved Ohmic Confinement in ASDEX. 16. European Conference on Controlled Fusion and Plasma Physics, 13B, 3, 903-906.