O. Pols, R. Izzard, R. Stancliffe, и E. Glebbeek. (2012)cite arxiv:1209.6082Comment: Accepted for publication in Astronomy & Astrophysics. 11 pages, 5 figures, 3 tables and 1 online appendix.
G. Zhu, и B. Ménard. (2012)cite arxiv:1211.6215Comment: 16 pages, 15 figures, in emulateapj style, to be submitted to ApJ. Comments welcome. The catalog is available at http://www.pha.jhu.edu/~gz323/jhusdss.