Gruber, O., Kallenbach, A., Simmet, E., & Steuer, K.-H. (1990). Is the Ion Confinement Improving in ASDEX H-Mode Discharges? In G., Briffod, A., Nijsen-Vis, & F. C., Schüller (Eds.), Europhysics Conference Abstracts (pp. 182). Geneva: European Physical Society.