Instrumental methods of analysis / 
edited by Hobart H. Willard,Lynne John A.Dean and Frank A.Settle 
 - 7th ed. 
 - Belmont :  Wadsworth,  1988 
<br/><br/><label>ISBN: </label>0534081428 
<br/><br/><label>LCCN: </label>87-10601 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Instrumental analysis