1. Baldry, Ivan K.; Glazebrook, Karl; Baugh, Carlton M.; Bland‐hawthorn, Joss; Bridges, Terry; Cannon, Russell; Cole, Shaun; Colless, Matthew; Collins, Chris (2002). "The 2dF Galaxy Redshift Survey: Constraints on Cosmic Star Formation"

2. History from the Cosmic Spectrum”. The Astrophysical Journal. The American Astronomical Society (published 20 April 2002). 569 (2): 582–594. doi:10.1086/339477.

3. Associated Press. "Universe: Beige, not Turquoise". Wired. Wired. Archived from the original on 24 July 2008. Retrieved 2 February 2016.

4. http://www.pha.jhu.edu/~kgb/cosspec/topten.htm