Sampling, storage and sample preparation procedures for X ray fluorescence analysis of environmental materials. 

 - Vienna :  IAEA,  1997. 
 - 55 p. :  tabla, diagr. 
<br/><br/> Apéndices: p.47-53  Bibliografía al final de cada capítulo 
<br/><br/><label>ISSN: </label>1011-4289 
<br/><br/><label>Standard No.: </label>IAEA-TECDOC-950