La Massa, S. M., T. M. Heckman, A. Ptak, A. Hornschemeier, L. Martins, P. Sonnentrucker and C. Tremonti: XMM-Newton observations of a complete sample of optically selected type 2 Seyfert galaxies. In: The Astrophysical Journal 705, 568-586 (2009).
Norman, C., A. Ptak, A. Hornschemeier, G. Hasinger, J. Bergeron, A. Comastri, R. Giacconi, R. Gilli, K. Glazenbrook, T. Heckmann, L. Kewley, P. Ranalli, P. Rosati, G. Szokoly, P. Tozzi, J. Wang, W. Zheng and A. Zirm: The X-ray-derived cosmological star formation history and the galaxy X-ray luminosity functions in the Chandra Deep Fields North and South. In: The Astrophysical Journal 607, 721-738 (2004).
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