Kasparek, W., Empacher, L., Erckmann, V., Gantenbein, G., Hollmann, F., Laqua, H. P., Schüller, P., Weißgerber, M., & Zohm, H. (2001). Mirror development for the 140 GHz ECRH transmission system on the stellarator W7-X. Fusion Engineering and Design, 53, 545-551. Retrieved from http://www.elsevier.com/locate/fusengdes.