ClG 0217+70: A massive merging galaxy cluster with a large radio halo and relicsX. Zhang, A. Simionescu, J. S. Kaastra, H. Akamatsu, D. N. Hoang, C. Stuardi, R. J. van Weeren, L. Rudnick, R. P. Kraft and S. BrownA&A, 642 (2020) L3DOI: https://doi.org/10.1051/0004-6361/202039028