Large-scale gas disk around the radio galaxy Coma A R. Morganti, T. A. Oosterloo, S. Tinti, C. N. Tadhunter, K. A. Wills and G. van Moorsel A&A, 387 3 (2002) 830-837 Published online: 17 May 2002 DOI: 10.1051/0004-6361:20020350