1. The ASDEX Upgrade ICRF system: Operational experience and developments
2. V. Bobkov et al, First results with 3-strap ICRF antennas in ASDEX Upgrade, https://iopscience.iop.org/article/10.1088/0029-5515/56/8/084001
3. Lifetime Prolongation of ICRF Generators, Theoretical and Conceptual Aspects
4. Lifetime Prolongation of ICRF Generators, Practical Aspects and Results
5. K. Holm, L. Egerszegi, Design and testing of the BBC tube CQK 650-2 a new high power tetrode for ICRH, Fusion engineering. Vol. 1, pp. 564–567, 1983