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• Communication with Extraterrestrial Intelligence Carl Sagan

  

  Communication with Extraterrestrial Intelligence

  Carl Sagan

  1974

• Visions for the 21st Century Carl Sagan

  

  Visions for the 21st Century

  Carl Sagan

  1997

• Planetary exploration Carl Sagan

  Planetary exploration

  Carl Sagan

  1970

• The Cosmic Connection Carl Sagan

  The Cosmic Connection

  Carl Sagan

  1975

• A Brief History of Time Carl Sagan

  

  A Brief History of Time

  Carl Sagan

  1988

• The evolution of a planetary system Carl Sagan

  

  The evolution of a planetary system

  Carl Sagan

  1995

• The Varieties of Scientific Experience Carl Sagan

  The Varieties of Scientific Experience

  Carl Sagan

  2006

• Planetary Atmospheres Carl Sagan

  

  Planetary Atmospheres

  Carl Sagan, Tobias C. Owen, Harlan J. Smith and International Astronomical Union Staff

  1971

• The cosmosphere Carl Sagan

  

  The cosmosphere

  Carl Sagan

  1981

• The scientific and historical rationales for solar system exploration Carl Sagan

  The scientific and historical rationales for solar system exploration

  Carl Sagan

  1988

• Selected from Cosmos (Ourworld) Carl Sagan

  

  Selected from Cosmos (Ourworld)

  Carl Sagan

  1993

• The Symmetric Group:Representations, Combinatorial Algorithms, and Symmetric Functions Carl Sagan

  

  The Symmetric Group:Representations, Combinatorial Algorithms, and Symmetric Functions

  Carl Sagan

  1991

• Nucleus Carl Sagan

  Nucleus

  Carl Sagan

  1999

• To preserve a world graced by life Carl Sagan

  To preserve a world graced by life

  Carl Sagan

  1982

• The Dragons Of Eden Carl Sagan

  The Dragons Of Eden

  Carl Sagan

  1977