Wyszecki, Gunter. Color science : concepts and methods, quantitative data and formulas / Gunter Wyszecki & W. S. Stiles. - New York : Wiley, c1967. - xiv, 628 p. : ill. ; 26 cm. Includes index. Bibliography: p. 589-606. Subjects--Topical Terms: Color. Dewey Class. No.: 535.6 / WYC 1967