Ramírez Ortega, A. <br/><br/>
The Catalan potash field 

 - London  Metal Bulletin PLC  November 1986 
 - pp. 55,57-59 
<br/><br/><label>Subjects--Topical Terms: </label><br/>POTASIO<br/>YACIMIENTOS
<br/><br/><label>Subjects--Geographic Terms: </label><br/>ESPAÑA