Huang, Z., Porkolab, M., Stechow, A. v., Boettger, L.-G., Grulke, O., Alcuson, J., et al. (2019). Investigation of Turbulence and Transport by Phase Contrast Imaging on the Wendelstein 7-X stellarator. Poster presented at 61st Annual Meeting of the APS Division of Plasma Physics, Fort Lauderdale, FL.