Fifield, F. W & Kealey, D. <br/><br/>
Principles and practice of analytical chemistry 

 - International Textbook company ltd., London  1975 
 - vi,378p 
<br/><br/><label>ISBN: </label>0 7002 0257 9 
<br/><br/><label>Dewey Class. No.: </label>543 Fif/Kea