Dryden, I. G. C. (Ian Gordon Cumming), 1910-  Dryden, I. G. C. (Ian Gordon Cumming), 1910- <br/><br/>
Carbonization and hydrogenation of coal / 
[by I.G.C. Dryden]. 
 - New York :  United Nations,  1973. 
 - [United Nations. Document] ;  ID/86 .
 - Document (United Nations) ;  ID/86 .
<br/><br/> "United Nations publication. Sales no.: E.72.11.B.26."  At head of title: United Nations Industrial Development Organization, Vienna. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>74173261 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal -- Carbonization.--Coal -- Carbonization.<br/>Coal liquefaction.
<br/><br/><label>LC Class. No.: </label>TP336  / .D77 
<br/><br/><label>Dewey Class. No.: </label>662/.62