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Intelligent Responses to Our Technological Signals Will Not Arrive In Fewer Than Three Millennia. (arXiv:2108.01690v1 [physics.pop-ph]) http://arxiv.org/abs/2108.01690
Intelligent Responses to Our Technological Signals Will Not Arrive In Fewer Than Three Millennia. (arXiv:2108.01690v1 [physics.pop-ph]) http://arxiv.org/abs/2108.01690