Average Ultraviolet Quasar Spectra in the Context of Eigenvector 1: A Baldwin Effect Governed by the Eddington Ratio?
Bachev, R.⋅Marziani, P.⋅Sulentic, Jack W⋅Zamanov, R.⋅Calvani, M. and Dultzin-Hacyan, D.
Astrophysical Journal, vol. 617, (no. 1), pp. 171-183, 2004. | Journal Article