Utilization of oil shale   Progress and prospects 

 - New  York United Nations USA      1967 
 - "viii, 112p."  cm. 
<br/><br/><label>Standard No.: </label>87532 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Minerals
<br/><br/><label>Dewey Class. No.: </label>"X9(H235406):77.1.N6, K7/UN"