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1
Published 1988
Springer Netherlands
Table of Contents: “... Interstellar Communication With Moderate Effort -- Optical Lasers for CETI -- SETI in Optical Range With the 6M...”
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2
by Shuch, H. Paul
Published 2011
Springer Berlin Heidelberg
Table of Contents: “... to extraterrestrial intelligence -- 22 A contrarian perspective on altruism -- 23 Where the L are we? -- 24 What...”