Principles of petrology

Eitemau Tebyg

• The principles of petrology
  gan: Tyrrell,g.W
  Cyhoeddwyd: (1948)
• Principles of petrology
  gan: Tyrrell, G W
• THE PRINCIPLES OF PETROLOGY
  gan: TYRRELL W G
• The Principles of petrology: an introduction to the science of rocks
  gan: Tyrrell G W
  Cyhoeddwyd: (2006)
• Principles of Petrology An Introduction to the Science of Rocks
  gan: G.W. Tyrrell
  Cyhoeddwyd: (2011)