1977 Yearbook of Science and the Future

Míreanna Comhchosúla

• 1975 Yearbook of Science and the Future
  le: Encyclopaedia Britannica
  Foilsithe: (1975)
• 1972 Britannica Yearbook of Science and the Future
  le: Encyclopaedia Britannica
• 1977 yearbook of science and the future
  Foilsithe: (1977)
• Britannica year book of science and the future
  le: Britannica, Encyclopaedia
  Foilsithe: (1972)
• Britannica Year book of science and the future.
  le: Britannica, Encyclopaedia