References for Feb 2018 Meeting

Below is the reference list for the presentations: “Are We Alone,” 2018-02-13 and 2018-03-13

1. Drake, Frank, “The Drake Equation: Conference on Extraterrestrial Intelligent Life,” @ 1961 Nov
2. Dvorsky, George, “Is It Time to Accept That We Are Alone in the Universe,” iO9.Gizmodo.com @20141105 (a review and expansion of Ward and Brownlee)
3. Grinspoon, David, “Lonely Planets – The Natural Philosophy of Alien Life,” Harper Collins @2003
4. Sagan, Carl E. & Shklovskii, I. S., “Intelligent life in the Universe,” Holden-Day, Inc. @1966 (Currently an e-book – available as a free pdf)
5. Sagan, Carl E., “The Cosmic Connection,” Doubleday @1973
6. Ward, Peter D. and Brownlee, Donald, “Rare Earth – Why Complex Life is Uncommon in the Universe,” Copernicus Books @2000
7. Weisman, Alan. “The World Without Us,” Thomas Dunne Books @2007

 The primary references are: 2, 3 and 6.