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11 - Fraction of civilizations that develop a technology that releases detectable signs of their existence into space, fc, pre-1961
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- Book:
- The Drake Equation
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- 05 July 2015
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- 02 July 2015, pp 205-226
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5 - Number of planets, per solar system, with an environment suitable for life, ne, pre-1961
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- Book:
- The Drake Equation
- Published online:
- 05 July 2015
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- 02 July 2015, pp 90-113
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New SETI prospects opened up by current information networking
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- International Journal of Astrobiology / Volume 12 / Issue 3 / July 2013
- Published online by Cambridge University Press:
- 20 June 2013, pp. 208-211
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Guest Editorial
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- Journal:
- International Journal of Astrobiology / Volume 12 / Issue 3 / July 2013
- Published online by Cambridge University Press:
- 20 June 2013, pp. 171-172
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