Wong, Yew Choong <br/><br/>
The mining, processing, and economic significance of rare-earth and yttrium mineral  an overview, including special reference to Malaysia 
Wong Yew Choong 
 -  1985 
 - 13p.  ill.  30cm 
<br/><br/>Includes bibliographical references 
<br/><br/> The rare-earth elements (REE) are a group of 15 chemically similar element. Although not on REE, uttrium is included with the REE because it often occurs with them in nature, having similar chemical prpoperties. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineralogy--Malaysia<br/>Economic geology--Rare earth uttrium--Malaysia
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Malaysia