Παρόμοια τεκμήρια

• International Symposium on Mine Mechanization and Automation : Proceedings, Golden, Colorado, USA, June 10-13, 1991 /
  Έκδοση: (1991)
• Solution mining symposium : proceedings of a symposium 103rd AIME Annual Meeting Dallas, Texas, February 25-27, 1974 /
  Έκδοση: (1974)
• Mining methods : proceedings of the symposium on mining methods, Harrogate, 30th October-1st November, 1974.
  Έκδοση: (1976)
• Third symposium on surface mining and reclamation /
• Proceedings of the 7th US Mine Ventilation Symposium : : June 5-7, 1995, Lexington, Kentucky /
  Έκδοση: (1995)