H. Akbari, R. Pfaff, J. Clemmons, H. Freudenreich, D. Rowland, and A. Streltsov. Resonant Alfvén Waves in the Lower Auroral Ionosphere: Evidence for the Nonlinear Evolution of the Ionospheric Feedback Instability. Journal of Geophysical Research: Space Physics, volume 127, issue 2, January  2022 .