Carbonization and hydrogenation of coal 

 - New  York United Nations U S A    1973 
 - "xi,137p."  cm. 
<br/><br/><label>Standard No.: </label>111962 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology
<br/><br/><label>Dewey Class. No.: </label>"F551:82g, L3/UN"