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"Galactic Gradients, Postbiological Evolution and the Apparent Failure of SETI"
Milan M. Cirkovic, Robert J. Bradbury (2005)
- Milan M. Cirkovic, Robert J. Bradbury:
Galactic Gradients, Postbiological Evolution and the Apparent Failure of SETI. CoRR abs/astro-ph/0506110 (2005)
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