Martin, E.  (Minerals engineer) <br/><br/>
Characterization of residues from selected coal conversion processes / 
by E. Martin and G. V. Sullivan. 
 - [Washington, D.C.] :  U.S. Dept. of the Interior, Bureau of Mines,  1980. 
 - 13 p. :  ill. ;  27 cm. 
 - Report of investigations - Bureau of Mines ;  8501 .
 - Report of investigations (United States. Bureau of Mines) ;  8501. .
<br/><br/>Bibliography: p. 13. 
<br/><br/><label>LCCN: </label>80607896  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal liquefaction--By-products.<br/>Coal gasification--By-products.<br/>Coal--Desulfurization--By-products.
<br/><br/><label>LC Class. No.: </label>TN23  TP352  / .U43 no. 8501 
<br/><br/><label>Dewey Class. No.: </label>622/.66 
<br/><br/><label>Gov. Doc. Class. No.: </label>I 28.23: (no.)