Concentration by Flotation 

 - New York :   John Wiley & Sons,  1921  
<br/><br/><label>Standard No.: </label>DEX-M4371 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MECANISMO<br/>MINERAL<br/>RESIDUO<br/>FLOTACION
<br/><br/><label>Universal Decimal Class. No.: </label>622.765