Chandra observations of nuclear X-ray emission from a sample of radio sources J. K. Gambill, R. M. Sambruna, G. Chartas, C. C. Cheung, L. Maraschi, F. Tavecchio, C. M. Urry and J. E. Pesce A&A, 401 2 (2003) 505-517 Published online: 21 March 2003 DOI: 10.1051/0004-6361:20030173