Erckmann, V., Porkolab, M., Burhenn, R., Hosea, J., Geist, T., Hartfuss, H., Kick, M., Maassberg, H., Team, W.-A., Team, N., & et al., (1994). High Power 140 GHz ECRH Experiments at the W7-AS Stellarator. AIP Conference Proceedings, 289, 137-148.