Jet emission in NGC 1052 at radio, optical, and X-ray frequencies M. Kadler, J. Kerp, E. Ros, H. Falcke, R. W. Pogge and J. A. Zensus A&A, 420 2 (2004) 467-474 Published online: 28 May 2004 DOI: 10.1051/0004-6361:20034126