Evolutionary phases of merging clusters as seen by LOFAR A. Wilber, M. Brüggen, A. Bonafede, D. Rafferty, T. W. Shimwell, R. J. van Weeren, H. Akamatsu, A. Botteon, F. Savini, H. Intema et al. (6 more) A&A, 622 (2019) A25 Published online: 19 February 2019 DOI: 10.1051/0004-6361/201833884