479 citations · 1.6k across the 9 of their papers we have counts for
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astro-ph2003
Luminosity and Redshift Dependence of Quasar Spectral Properties
D. E. Vanden Berk, C. -Y. Yip, A. J. Connolly +2
Using a large sample of quasar spectra from the SDSS, we examine the composite spectral trends of quasars as functions of both redshift and luminosity, independently of one another…
astro-ph2003
Volume-limited SDSS/FIRST quasars and the radio dichotomy
S. Jester, R. Kron
Much evidence has been presented in favor of and against the existence of two distinct populations of quasars, radio-loud and radio-quiet. The SDSS differs from earlier optically s…