D. Schaerer, M. Hayes, A. Verhamme, and R. Teyssier. (2011)cite arxiv:1104.5383
Comment: Accepted for publication in Astronomy & Astrophysics. Results from
simulations available at http://obswww.unige.ch/sfr.
B. Whitney. (2011)cite arxiv:1104.4990
Comment: To appear in the Chandra Centennial issue of the Bulletin of the
Astronomical Society of India, volume 39 (2011), eds D.J. Saikia and Virginia
Trimble; 27 pages, 1 figure.