Non-ferrous metals 

 - Paris:   Organisation for European Economic Co-operartion,  
 - 92p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical technology
<br/><br/><label>Subjects--Index Terms: </label>Trade 
<br/><br/><label>Universal Decimal Class. No.: </label>669.2(061)