Welcher, Frank J. <br/><br/>
Standard Methods of Chemical Analysis Vol III - Instrumental Methods Part A  Textual Documents 

 - 6th ed. 
 - New York  Robert E Krieger Publishing Company  1975 
 - 974. 
<br/><br/><label>ISBN: </label>0882752545   
<br/><br/><label>Subjects--Index Terms: </label>Chemistry & Allied Sciences 
<br/><br/><label>Dewey Class. No.: </label>540  / WEL