GOODS-Herschel: Separating High-redshift Active Galactic Nuclei and Star-forming Galaxies Using Infrared Color Diagnostics - Kirkpatrick, Allison; Pope, Alexandra; Charmandaris, Vassilis; Daddi, Emmanuele; Elbaz, David; Hwang, Ho Seong; Pannella, Maurilio; Scott, Douglas; Altieri, Bruno; Aussel, Herve; others (The Astrophysical Journal, 2013)