Proceeding on evidence for chemical heterogeneity in the earths mantle 

 -  1980 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>54194 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Earth<br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H413p3,N78, M0;1