STACH, E <br/><br/>
The occurrence of metals in the coal.  [electronic resource] 

 -  Mikroskopie  1949 
 - 321-9 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0026-3702 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Coal