Liu, L., Ochoukov, R., McClements, K. G., Dendy, R. O., Bobkov, V., Weiland, M., et al. (2021). Explanation of core ion cyclotron emission from beam-ion heated plasmas in ASDEX Upgrade by the magnetoacoustic cyclotron instability. Nuclear Fusion, 61: 026004. doi:10.1088/1741-4326/abc7ec.