Wang, T.-G., Zhou, H.-Y., Komossa, S., Wang, H.-Y., Yuan, W., & Yang, C. (2012). Extreme Coronal Line Emitters: Tidal Disruption of Stars by Massive Black Holes in Galactic Nuclei? The Astrophysical Journal, 749:. doi:10.1088/0004-637X/749/2/115.