Hall, Gwendy E.M. <br/><br/>
Evaluation of portable X-ray fluorescence (pXRF) in exploration and mining; Phase 1, Control reference materials 

 - London  Association of Applied Geochemists & The Geological Society   mayo 2014 
 - pp. 99-123  ilus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ELEMENTOS TRAZA<br/>EXPLORACION MINERA<br/>FLUORESCENCIA DE RAYOS X<br/>GEOQUÍMICA<br/>MATERIALES DE REFERENCIA<br/>RECURSOS MINERALES<br/>TIERRAS RARAS