The birth of time: how we measured the age of the universe

Eitemau Tebyg

• birth of time: how we measured the age of the universe
  gan: Gribbin, John
  Cyhoeddwyd: (1999)
• THE EARTH OF TIME: HOW WE MEASURED THE AGE OF THE UNIVERSE
  gan: GRIBBIN,JOHN
  Cyhoeddwyd: (1999)
• Birth of time:how we measured the age of the universe/
  gan: Gribbin John
  Cyhoeddwyd: (1999)
• Birth of time : how we measured the age of the universe /
  gan: Gribbin, John R.
  Cyhoeddwyd: (2000)
• Methods-time measurement
  gan: Maynard, Harold
  Cyhoeddwyd: (1948)