J. Kenney, A. Abramson, and H. Bravo-Alfaro. (2015)cite arxiv:1506.04041Comment: 12 pages, 10 figures, accepted for publication in the Astronomical Journal.
P. Jachym, F. Combes, L. Cortese, M. Sun, and J. Kenney. (2014)cite arxiv:1403.2328Comment: Submitted to the ApJ. See recent related ESO137-001 Hubble Heritage release (http://heritage.stsci.edu/2014/14/index.html).