Controversy in Victorian geology : the Cambrian-Silurian dispute / James A. Secord.

Geahča maid

• Cambrian of the new world,
  Dahkki: Holland, C. H. (Charles Hepworth)
  Almmustuhtton: (1971)
• The Tommotian stage and the Cambrian lower boundary problem /
  Almmustuhtton: (1981)
• The Cambrian system in Australia, Antarctica, and New Zealand /
  Almmustuhtton: (1985)
• Siluria : the history of the oldest fossiliferous rocks and their foundations ; with a brief sketch of the distribution of gold over the earth /
  Dahkki: Murchison, Roderick Impey, Sir, 1792-1871
  Almmustuhtton: (1859)
• The ecology of the Cambrian radiation /
  Almmustuhtton: (2001)