This is the author’s version of the work. It is posted here by permission of the AAAS for personal use, not for redistribution. The definitive version was published in Science on January 25, 2013 (v.339), DOI: 10.1126/science.1225540
Ivanova, N., et al. 2013. "Identification of the Long-Sought Common-Envelope Events." Science 339, no. 6118 (January 25): 433-435.