W.-H. Sun

Steps toward Determination of the Size and Structure of the Broad-Line Region in Active Galactic Nuclei. IX. Ultraviolet Observations of Fairall 9

Claudia Winge, Gerard A. Kriss, Bradley M. Peterson, 1997 .

Steps toward Determination of the Size and Structure of the Broad-Line Region in Active Galactic Nuclei. XI. Intensive Monitoring of the Ultraviolet Spectrum of NGC 7469

Gerard A. Kriss, P. T. O'Brien, Bradley M. Peterson, 1997 .