Gude, A., Hallatschek, K., Günter, S., Kallenbach, A., Pinches, S. D., Sesnic, S., et al. (1998). Radially propagating high-n/high-m mode cascades during flattening or inversion of central q profile in ASDEX Upgrade. Plasma Physics and Controlled Fusion, 40(6), 1057-1071. doi:10.1088/0741-3335/40/6/012.