References
1. Farrell, John. The Day without Yesterday: Lemaître, Einstein, and the Birth of Modern Cosmology. New York: Thunder’s Mouth Press, 2005.
2. Fox, Karen C. The Big Bank Theory: What It Is, Where It Came from, and Why It Works. New York: Wiley, 2002.
3. Hawking, Stephen. A Brief History of Time: From the Big Bang to Black Holes. New York: Bantam, 1988.
4. Levin, Frank. Calibrating the Cosmos: How Cosmology Explains Our Big Bang Universe. New York: Springer, 2007.
5. Singh, Simon. Big Bang: The Origin of the Universe. New York: Fourth Estate, 2004.