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  1. 1
    PSPC soft x-ray observations of Seyfert 2 galaxies /
    by Turner, T. J
    Published 1993

    Government Document Book
  2. 2
    An x-ray survey of variable radio bright quasars /
    by Henriksen, Mark Jeffrey
    Published 1984

    Government Document Book
  3. 3
    X-ray emission from active galactic nuclei
    by Mushotzky, R. F
    Published 1985

    Government Document Book
  4. 4
    X-ray observations of the Seyfert I galaxies AKN120 and MCG8-11-11
    by Mushotzky, R. F
    Published 1980

    Government Document Book
  5. 5
    X-ray spectra and time variability of active galactic nuclei
    by Mushotzky, R. F
    Published 1984

    Government Document Book
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