Wright, W. D. (William David), 1906- <br/><br/>
The measurement of colour / 
by W. D. Wright. 
 - 4th ed. 
 - New York :  Van Nostrand Reinhold Company,  1969. 
 - x, 340 p. :  ill. ;  23 cm. 
<br/><br/>footnotes. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Color.<br/>Colorimetry.