Hartfuss, H.-J. Experimental Plasma Physics 3 (E3), Max Planck Institute for Plasma Physics, Max Planck Society;
Laqua, H. P., Hartfuss, H.-J., & W7-AS-Team (1998). Electron Bernstein Wave Emission from an Overdense Plasma at the W7-AS Stellarator. Physical Review Letters, 81(10), 2060-2063.