On the nature of high X-ray luminosities in Sloan Digital Sky Survey galaxiesDOI: info:10.1111/j.1365-2966.2011.20164.xv. 4222–13
Jackson, F. E., Roberts, T. P., Alexander, D. M., Gelbord, J. M., Goulding, A. D., Ward, M. J., Wardlow, J. L., and Watson, M. G. 2012. "On the nature of high X-ray luminosities in Sloan Digital Sky Survey galaxies." Monthly Notices of the Royal Astronomical Society, 422 2–13. https://doi.org/10.1111/j.1365-2966.2011.20164.x.