Laqua, H.-P., Erckmann, V., Hartfuss, H.-J., W7-AS Team, Max Planck Institute for Plasma Physics, Max Planck Society, ECRH-Group, & Laqua, H. (1996). Resonant and Nonresonant Electron Cyclotron Heating at Densities above the Plasma Cut-off by O-X-B-Mode Conversion at W7-AS. ECA, 20C, 2, 847-850.