EWING, Galen W. <br/><br/>
Instrumental methods of chemical analysis 

 - 6th Ed. 
 - New York.  Mc Graw-Hill Books Co., US  1986 
 - xvi,538p. 
<br/><br/><label>ISBN: </label>007y662770 
<br/><br/><label>Dewey Class. No.: </label>543.08