Martin, E.
Characterization of residues from selected coal conversion processes / by E. Martin and G.V. Sullivan. - [Washington, D.C.] : Bureau of Mines, U.S. Dept. of the Interior, [1980]. - 13 p. : ill. - Report of investigations ; 8501 .
Soil liquefaction--By-products.
Coal gasification--By-products.
Characterization of residues from selected coal conversion processes / by E. Martin and G.V. Sullivan. - [Washington, D.C.] : Bureau of Mines, U.S. Dept. of the Interior, [1980]. - 13 p. : ill. - Report of investigations ; 8501 .
Soil liquefaction--By-products.
Coal gasification--By-products.