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J/PAZh/42/313
  3XMM-DR4 QSO candidates at 3<z<5.5 (Khorunzhev+, 2016)
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    J/PAZh/42/313/table1(c)Catalog of 3<z<5.5 quasar candidates (903 rows)
    J/PAZh/42/313/table2(c)List of known quasars at z>3 not selected by our algorithm (63 rows)

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       (c)  indicates tables which contain celestial coordinates 
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