Welcher, Frank J. <br/><br/>
Standard methods of chemical analysis/ 
Frank J. Welcher 
 - New Jersey:  D. Van Nostrand Company, INC.,  1963 
 - 1286p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry
<br/><br/><label>Dewey Class. No.: </label>543 WEL-S