Παρόμοια τεκμήρια

• Proceedings of a Symposium on Coal Dilemma : How and Where to Use It: the Broadmoor Hotel, Colorado Springs, Colorado, January 31-February 2, 1977 /
  Έκδοση: (1976)
• Information Symposium on high-output coal winning districts : Luxembourg, from 29th September to 1st October 1976 /
  Έκδοση: (1976)
• 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)
• High efficiency coal preparation : an international symposium /
  Έκδοση: (1995)
• Coal science : proceedings of the eighth Internationlal Conference on Coal Science /
  Έκδοση: (1995)