K. Heng, and A. Showman. (2014)cite arxiv:1407.4150Comment: Submitted to Annual Review of Earth and Planetary Sciences. 16 pages, 9 figures, 1 table. Posted with permission from the Annual Review of Earth and Planetary Sciences, Volume TBD by Annual Reviews, http://www.annualreviews.org. Comments welcome.
D. Kipping. (2014)cite arxiv:1408.1393Comment: 9 pages, 5 figures. Accepted to MNRAS. Code available at http://www.cfa.harvard.edu/~dkipping/ECCSAMPLES.html.