Measuring cavity powers of active galactic nuclei in clusters using a hybrid X-ray–radio method - A new window on feedback opened by subarcsecond LOFAR-VLBI observations
R. Timmerman, R. J. van Weeren, A. Botteon, H. J. A. Röttgering, B. R. McNamara, F. Sweijen, L. Bîrzan and L. K. Morabito