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REFERENCES

  1. Baldwin, J., Ferland, G., Korista, K., & Verner, D. 1995 Locally optimally emitting clouds and the origin of quasar emission lines. Ap. J. 455, L119 - L122.

  2. Clavel, J., et al. 1991 Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. I. An eight-month campaign of monitoring NGC 5548 with IUE. Ap. J. 366, 64 - 81.

  3. Dietrich, M., et al. 1993 Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. IV. Intensity variations of the optical emission lines of NGC 5548. Ap. J. 408, 416 - 427.

  4. Done, C., & Krolik, J.H. 1996 Kinematics of the broad emission-line region in NGC 5548. Ap. J. 463, 144 - 157.

  5. Horne, K. 1994 Echo mapping problems - maximum entropy solutions. In Reverberation Mapping of the Broad-Line Region in Active Galactic Nuclei (ed. P.M. Gondhalekar, K. Horne, & B.M. Peterson). Astronomical Society of the Pacific Conference Series, vol. 69, pp. 23 - 51. Astronomical Society of the Pacific.

  6. Horne, K., Peterson, B.M., Collier, S., & Netzer, H. 2004 Observational requirements for high-fidelity reverberation mapping. PASP 116, 465 - 476.

  7. Kollatschny, W. 2003 Accretion disk wind in the broad-line region: Spectroscopically resolved line profile variations in Mrk 110. A&A 407, 461 - 472.

  8. Kollatschny, W. 2003 Spin orientation of supermassive black holes in active galaxies. A&A 412, L61 - L64.

  9. Korista, K.T., et al. 1995 Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. VIII. An intensive HST, IUE, and ground-based study of NGC 5548. Ap. J.S. 97, 285 - 330.

  10. Maoz, D., Netzer, H., Peterson, B.M., Bechtold, J., Bertram, R., Bochkarev, N.G., Carone, T.E., Dietrich, M., Filippenko, A.V., Kollatschny, W., Korista, K.T., Shapovalova, A.I., Shields, J.C., Smith, P.S., Thiele, U., & Wagner, R.M. 1993 Variations of the ultraviolet Fe II and Balmer continuum emission in the Seyfert galaxy NGC 5548. Ap. J. 404, 576 - 583.

  11. Onken, C.A. Ferrarese, L., Merritt, D., Peterson, B.M., Pogge, R.W., Vestergaard, M., & Wandel, A. 2004 Supermassive black holes in active galactic nuclei. II. Calibration of the MBH - sigma* relationship for AGNs. Ap. J., submitted.

  12. Peterson, B.M., et al. 1991 Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. II. An intensive study of NGC 5548 at optical wavelengths. Ap. J. 368, 119 - 137.

  13. Peterson, B.M., et al. 2002 Steps toward determination of the size and structure of the broad-line region in active galactic nuclei. XVI. A thirteen-year study of spectral variability in NGC 5548. Ap. J. 581, 197 - 204.

  14. Peterson, B.M., Ferrarese, L., Gilbert, K.M., Kaspi, S., Malkan, M.A., Maoz, D., Merritt, D., Netzer, H., Onken, C.A., Pogge, R.W., Vestergaard, M., & Wandel, A. 2004 Central masses and broad-line region sizes of active galactic nuclei. II. A homogeneous analysis of a large reverberation-mapping database. Ap. J. 613, in press.

  15. Ulrich, M.-H., & Horne, K. 1996 A month in the life of NGC 4151: velocity-delay maps of the broad-line region. MNRAS 283, 748 - 758.

  16. Wanders, I., Goad, M.R., Korista, K.T., Peterson, B.M., Horne, K., Ferland, G.J., Koratkar, A.P., Pogge, R.W., Shields, J.C. 1995 The geometry and kinematics of the broad-line region in NGC 5548 from HST and IUE observations. ApJ 453, L87 - L90.

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