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    SETI Revisited

    The Third and Fourth Solar Power Revolutions and the Search for Extraterrestrial Intelligence In his newest ...

    18.00  14.90 14.90€ lisää ostoskoriin

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    CETI Revisited

    CETI Revisited investigates the old idea of communicating with extraterrestrial civilizations from a number of new ...

    5.00 5.00€ lisää ostoskoriin