Sawicki, Eugene <br/><br/>
Photometric Organic Analysis  : Basic Principle with Application 
/ by Eugene Sawicki 
 - New York:  Wiley-Interscience,   1970. 
 - xv, 679p.; 
<br/><br/><label>ISBN: </label>0471755508 
<br/><br/><label>Dewey Class. No.: </label>547.3  / SAW/P