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Luminosity calibration of low redshift quasars

Wampler, E. Joseph, author.
Santa Cruz, California : University of California ; [Washington, D.C.], National Aeronautics and Space Administration, [1983] 1983

Two component model for x-ray emission of radio selected QSO's

[Washington, D.C. : National Aeronautics and Space Administration, 1986] 1986

An unbiased X-ray sampling of stars within 25 parsecs of the sun final report

Johnson, Hugh M.
Palo Alto, CA : Lockheed Missiles and Space Co., Inc. ; Marshall Space Flight Center, Ala. : George C. Marshall Space Flight Center, [1985] 1985