The XMM-Newton view of the X-ray halo and jet of NGC 6251R. M. Sambruna, M. Gliozzi, D. Donato, F. Tavecchio, C. C. Cheung and R. F. MushotzkyA&A, 414 3 (2004) 885-894DOI: https://doi.org/10.1051/0004-6361:20031657