Color.

Sketching in colour Fletcher, Geoffrey S. 1969 Symposium on metallography in color, 1948 American Society for Testing Materials 1948 Technology of paints, varnishes and lacquers Martens, Charles R. 1968 The C.I.E. international colour system explained Chamberlin, G. J. 1951 The Lüscher colour test Lüscher, Max 1970 The universe of light Bragg, William Henry 1933 University Physics Author not listed Year not listed Video color correction for non-linear editors Jones, Stuart Blake 2003