Fromm, Christian M. Max Planck Institute for Radio Astronomy, Max Planck Society;
Chael, A., Issaoun, S., Pesce, D. W., Johnson, M. D., Ricarte, A., Fromm, C. M., et al. (2023). Multifrequency Black Hole Imaging for the Next-generation Event Horizon Telescope. \apj, 945(1): 40, pp. 40. doi:10.3847/1538-4357/acb7e4.