Saori Kitaguchi, Kanya Kuramoto, Hitomi Moridera and Tetsuya Sato. (2012). Evaluation of Instrumental Methods for Assessing Colour Fastness.
            <i>Journal of Fiber Bioengineering and Informatics</i>. <i>5</i> (4).
            399-409.
         doi:10.3993/jfbi12201205