R. Lapham, L. Young, and A. Crocker. (2017)cite arxiv:1705.00653Comment: This paper has been accepted to ApJ. The paper should be 24 pages and contains 16 figures.
A. Richings, J. Schaye, and B. Oppenheimer. (2014)cite arxiv:1403.6155Comment: 22 pages, 8 figures, submitted to MNRAS. Supplementary material can be found at http://noneqism.strw.leidenuniv.nl.
M. Murphy, and J. Berengut. (2013)cite arxiv:1311.2949Comment: 24 pages, 12 figures, 15 figures. Accepted for publication in MNRAS. Atomic transition database available through http://www.researchdata.ands.org.au/laboratory-atomic-transition-data-for-precise-optical-quasar-absorption-spectroscopy . Additions, corrections, updates welcome.