Véron-Cetty, M.-P., S. K. Balayan, A. M. Mickaelian, R. Mujica, V. Chavushyan, S. A. Hakopian, D. Engels, P. Véron, F.-J. Zickgraf, W. Voges and D.-W. Xu: Optically bright active galactic nuclei in the ROSAT-Faint source catalogue. In: Astronomy & Astrophysics 414, 2, 487-496 (2004).
doi: 10.1051/0004-6361:20031686
localid: 7759
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