Gruber, O., Bosch, H. S., Gunter, S., Herrmann, A., Kallenbach, A., Kaufmann, M., et al. (1999). Overview of ASDEX Upgrade results. Nuclear Fusion, 39(9Y Sp. Iss. 1), 1321-1336. doi:10.1088/0029-5515/39/9Y/309.