ASDEX Upgrade Team(1988). ASDEX Contributions to the 8th International Conference on Plasma Surface Interaction in Controlled Fusion Devices, Jülich, May 02 - 06, 1988. International Workshop on Plasma Edge Theory, Augustenburg (GDR), April 26 -30, 1988 (IPP III/139). Garching (DE): Max-Planck-Institut für Plasmaphysik.