The Development of low grade coal deposits in Asia 

 - New  York United Nations U S A    1953 
 - 175p.  cm. 
<br/><br/><label>Standard No.: </label>113629 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology
<br/><br/><label>Dewey Class. No.: </label>"H2354020v403, J3"