Zink, James B. <br/><br/>
Spectrochemical analysis of coal ash  
Zink, James B. 
 - Washington  Bureau of mines  1967 
 - Report Investigation  6985 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>análisis espectroquímico<br/>ceniza de carbón
<br/><br/><label>Universal Decimal Class. No.: </label>535.33-032.35 (47)