Kirkpatrick A, Pope A, Charmandaris V, Daddi E, Elbaz D, Hwang HS, Pannella M, Scott D, Altieri B, Aussel H, et al. GOODS-Herschel: Separating High-redshift Active Galactic Nuclei and Star-forming Galaxies Using Infrared Color Diagnostics. The Astrophysical Journal. 2013;763:123.