Willard,Hobarth H,et.al <br/><br/>
Instrumental Methods of Analysis/ 
Hobarth H willard H,et.al 
 - 6th 
 - New Delhi,  CBS publishers  1986 
 - xxiv,1028p. 
<br/><br/><label>ISBN: </label>9780534081423 
<br/><br/><label>Dewey Class. No.: </label>543.08  / WIL/I