Baldzuhn, J. W7-X: Basic Device, Max Planck Institute for Plasma Physics, Max Planck Society;
Yoshinuma, M., Ida, K., & Baldzuhn, J. (2004). Charge exchange spectroscopy by Fabry-Perot. Review of Scientific Instruments, 75, 4136-4138. Retrieved from http://scitation.aip.org/getpdf/servlet/GetPDFServlet?filetype=pdf&id=RSINAK000075000010004136000001&idtype=cvips.