Braun, F., Hofmeister, F., Wesner, F., Becker, W., Faugel, H., Hartmann, D., et al. (2001). ICRF system enhancements at ASDEX Upgrade. Fusion Engineering and Design, 55-56, 551-555. Retrieved from http://www.sciencedirect.com/science?_ob=MImg&_imagekey=B6V3C-44JDTMG-2X-C&_cdi=5727&_user=100196&_orig=browse&_coverDate=10%2F31%2F2001&_sk=999429999&view=c&wchp=dGLbVlb-zSkzk&md5=3ac82b2ab12f2f36e68b7f1e85405f9e&ie=/sdarticle.pdf.