Pereverzev, G., Pavlo, P., Wolf, R., Gruber, O., Kallenbach, A., Meister, H., Lackner, K., De Pena Hempel, S., Ryter, F., Sesnic, S., Stober, J., & ASDEX-Upgrade-Team, (1998). Advanced Tokamak Operation in ASDEX Upgrade: First Experiments and Feasibility Study for Stationary Operation. ECA, 22C, 496-499.