Snell, F.D.  <br/><br/>
Colorimetric methods of analysis : including photmetric methods. Vol.IVAAA  (Book) 

 - Princeton  Van Nostrand  1971 
 - 351p.  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry, Analytic Colorimetric analysis
<br/><br/><label>Universal Decimal Class. No.: </label>543.43 SNE  / 537