Results 211 to 214 of about 512 (214)
Some of the next articles are maybe not open access.

Two New Gravitationally Lensed Double Quasars from the Sloan Digital Sky Survey

Astronomical Journal, 2007
Naohisa Inada   +2 more
exaly  

The Space Distribution of Quasars

Annual Review of Astronomy and Astrophysics, 1990
exaly  

Mid-infrared luminous quasars in the GOODS–Herschelfields: a large population of heavily obscured, Compton-thick quasars atz≈ 2

Monthly Notices of the Royal Astronomical Society, 2016
A Del Moro, D M Alexander, F E Bauer
exaly  

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