Bykov, V., Schauer, F., Egorov, K., van Eeten, P., Damiani, C., Dübner, A., et al. (2007). Structural analysis of W7-X: Main results and critical issues. Fusion Engineering and Design, 82, 1538-1548. Retrieved from http://dx.doi.org/10.1016/j.fusengdes.2007.06.006.