Hydrogenation of coal and coal tars: review and annotated bibliography of works published in 1949-1970 

 - New York      UNIDO  US 1972     
 - viii, 79p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>  <Bibliographies><Annotated bibliography><Hydrology><Coal mining>
<br/><br/><label>Dewey Class. No.: </label>R/016.33382/UNIDO