R. J Cena
United States. Congress. Senate. Committee on Energy and Natural Resources.
William D. Gosnold
R. W. Hill
Underground Coal Gasification Symposium Morgantown, W. Va. 1976
J. Howard McCarthy
J H Campbell
Unknown Author
Darla Kay Slind
Lawrence Livermore Laboratory.
University of Pittsburgh. Dept. of Chemical and Petroleum Engineering
David J. Hassett
United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on Energy Research and Development.
Los Alamos Scientific Laboratory.
United States. Division of Oil, Gas, Shale, and In Situ Technology.
Los Alamos Scientific Laboratory