1. D. J. Hill,Rev. Prog. Colouration,27, 18 (1997).
2. K. J. Yong, I. H. Kim, and S. W. Nam,J. Korean Soc. Dyers & Finishers,11, 9 (1999).
3. U. Bruckner, S. Struckmeier, J.-H. Dittrich, and R-D Reumann,Textilveredlung,32, 112 (1997).
4. E. Kashino, Y. Sakuragi, Y. Takano, and S. Hasami,Kyoritsu Joshi Tanki Gaigaku Seikatsu Kiyo,36, 59 (1993).
5. E. R. Trotman, “Dyeing and Chemical Technology of Textile Fibres”, 5th ed., Charles Griffin & Co. Ltd., London, 1975.