How old is the earth?.

Míreanna comhchosúla

• The earth : an introduction to physical geology /
  de réir: Verhoogen, John, 1912-
  Foilsithe / Cruthaithe: (1970)
• Earth history,
  de réir: Snider, Luther C. (Luther Crocker), b. 1882
  Foilsithe / Cruthaithe: (1932)
• The earth sciences /
  de réir: Strahler, Arthur Newell, 1918-
  Foilsithe / Cruthaithe: (1963)
• Architecture of the earth /
  de réir: Daly, Reginald Aldworth, 1871-1957
  Foilsithe / Cruthaithe: (1938)
• Introduction to the structure of the earth
  de réir: Spencer, Edgar Winston
  Foilsithe / Cruthaithe: (1969)