Blanken, T. C., Felici, F., Galperti, C., Kudlacek, O., Janky, F., Mlynek, A., et al. (2019). Model-based real-time plasma electron density profile estimation and control on ASDEX Upgrade and TCV. Fusion Engineering and Design, 147: 111211. doi:10.1016/j.fusengdes.2019.05.030.