Mapping of the United Nations framwork classification for fossil energy and mineral resources. 

 - New  York UN        2009 
 - "vi,67p."  cm. 
 - ECE energy series;33 .
<br/><br/><label>ISBN: </label>9789211170023 
<br/><br/><label>Standard No.: </label>184357 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"X9(HZ).73m,P, P9/UN"