Section 10: Further Reading
- Timothy Clifton and Pedro Ferreira, "Does Dark Energy Really Exist?" Scientific American, April 2009, p. 48.
- Robert Kirshner, "The Extravagant Universe," Princeton University Press, 2004.
- Michael Lemonick, "Echoes of the Big Bang," Princeton University Press, 2005.
- Richard Panek, "Going Over the Dark Side," Sky and Telescope, Feb. 2009, p.22.
