Παρόμοια τεκμήρια

• Mine ventilation : proceedings of the North American/Ninth US Mine Ventilation Symposium, Kingston/Ontario/Canada/8-12 June 2002 /
  Έκδοση: (2002)
• Proceedings of the 7th US Mine Ventilation Symposium : : June 5-7, 1995, Lexington, Kentucky /
  Έκδοση: (1995)
• Heating and ventilation /
  ανά: Allen, John R.
  Έκδοση: (1922)
• Heating and ventilation /
  ανά: Allen, John R.
  Έκδοση: (1918)
• Proceedings of the 6th International Mine Ventilation Congress : May 17-22, 1997, Pittsburgh, Pennsylvania, USA /
  Έκδοση: (1997)