Willard, H.H. <br/><br/>
Instrumental methods of analysis 

 - 7th ed. 
 - New Delhi  CBS Publisheers & Distributors  1986 
 - xxi,895p.  25cm. 
<br/><br/><label>ISBN: </label>8123909438 
<br/><br/><label>Dewey Class. No.: </label>545.8  / W50I