S. Muzahid, R. Srianand, and J. Charlton. (2014)cite arxiv:1410.3828Comment: 14 pages, 9 figures, 4 tables (+additional 21 pages of appendices), Submitted to the MNRAS, comments welcome!.
R. Cooke, M. Pettini, and M. Murphy. (2012)cite arxiv:1201.1004
Comment: 7 pages, 4 figures, Submitted for publication in Monthly Notices of
the Royal Astronomical Society.