Natural gas substitutes from coal and oil/

Geahča maid

• Hydroprocessing catalysts for heavy oil and coal/
  Dahkki: Satriana, M. J.
  Almmustuhtton: (1982)
• Hydroprocessing catalysts for heavy oil and coal
  Almmustuhtton: (1982)
• Coal gasification/
  Dahkki: Massey, Lester G.
  Almmustuhtton: (1974)
• Coal gasification processes/
  Dahkki: Nowacki, Perry
  Almmustuhtton: (1981)
• Coal gasification : existing processes and new developments/
  Dahkki: 335469 Schilling, H. D., et al.
  Almmustuhtton: (1981)