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Candidate Type II Quasars from the Sloan Digital Sky Survey. I. Selection and Optical Properties of a Sample at 0.3<Z<0.83

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Description scientific article published in Astronomical Journal
Author/s

author: Gordon T. Richards  Nadia Zakamska  Donald Schneider  Timothy Heckman  David J. Schlegel  Scott F. Anderson 

Publication date November 2003
Language English
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