Brief review to be added of Roger A S Hennessey's book “Worlds Without End : The Historic Search for Extraterrestrial Life” (1999) (available on Amazon USA and on Amazon UK).
Web Resources
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Other Material
Brief review to be added of Roger A S Hennessey's book “Worlds Without End : The Historic Search for Extraterrestrial Life” (1999) (available on Amazon USA and on Amazon UK).
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