Diffuse radio emission in the complex merging galaxy cluster Abell2069 A. Drabent, M. Hoeft, R. F. Pizzo, A. Bonafede, R. J. van Weeren and U. Klein A&A, 575 (2015) A8 Published online: 11 February 2015 DOI: 10.1051/0004-6361/201424828