Παρόμοια τεκμήρια

• Processing and utilization of high-suffur coals iv Proceeding of the 4th international conference on processing and utilization of high-suffur coals, August 26-30, 1991, Idaho Falls, Idaho, U.S.A.
  Έκδοση: (1991)
• Coal exploration : proceedings of the first International Coal Exploration Symposium, London, England, May 18-21, 1976 /
  Έκδοση: (1976)
• High efficiency coal preparation : an international symposium /
  Έκδοση: (1995)
• British coal mining explosives /
  ανά: Taylor, James, Sir, 1902-
  Έκδοση: (1958)
• Methods of working coal and metal mines /
  ανά: Woodruff, Seth D.
  Έκδοση: (1966)