Giannone, L., Balbin, R., Niedermeyer, H., Endler, M., Herre, G., Hidalgo, C., et al. (1994). Density, temperature, and potential fluctuation measurements by the swept Langmuir probe technique in Wendelstein 7‐AS. Physics of Plasmas, 1(11), 3614-3621. doi:10.1063/1.870917.