The Galactic Club : intelligent life in outer space /

Eitemau Tebyg

• On civilized stars : the search for intelligent life in outer space /
  gan: Baugher, Joseph F.
  Cyhoeddwyd: (1985)
• We are not alone ; the search for intelligent life on other worlds.
  gan: Sullivan, Walter, 1924-2006.
  Cyhoeddwyd: (1964)
• Mars beckons : the mysteries, the challenges, the expectations of our next great adventure in space /
  gan: Wilford, John Noble.
  Cyhoeddwyd: (1990)
• Confessions of an alien hunter : a scientist's search for extraterrestrial intelligence /
  gan: Shostak, G. Seth.
  Cyhoeddwyd: (2009)
• The search for life on other planets /
  gan: Jakosky, Bruce M.
  Cyhoeddwyd: (1998)