Trump, J. R., Impey, C. D., Kelly, B. C., Civano, F., Gabor, J. M., Diamond-Stanic, A. M., et al. (2011). Accretion Rate and the Physical Nature of Unobscured Active Galaxies. The Astrophysical Journal, 733(1): 60 (14pp). doi:10.1088/0004-637X/733/1/60.