3D evolution of a solar flare thermal X-ray loop-top sourceD. F. Ryan, S. Laube, B. Nicula, S. Krucker, S. A. Maloney, A. F. Battaglia, A. Warmuth, A. Csillaghy and D. MüllerA&A, 681 (2024) A61DOI: https://doi.org/10.1051/0004-6361/202347212