JUDD, D B <br/><br/>
A comparison of direct colorimetry of titanium pigments with their indirect colorimetry based on spectrophotometry and a standard observer.  [electronic resource] 

 -  Journal of research of the National Bureau of Standards  Sep 1949 
 - 227-35 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0091-0635 
<br/><br/><label>Standard No.: </label>10.6028/jres.043.025  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Colorimetry<br/>Humans<br/>Spectrophotometry<br/>Spectrum Analysis<br/>Titanium