Jefferey, G H, et al. <br/><br/>
Textbook of quantitative chemical analysis 

 - 5 
 -  ELBS, London  1997 
 - 877 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Quantitative chemistry
<br/><br/><label>Dewey Class. No.: </label>545  JEF-T5