1. H. Zollinger, Color Chemistry: Syntheses, Properties and Applications of Organic Dyes and Pigments, 3rd edn. (Wiley-VCH, Weinheim, 2003), p. 163
2. J. Koh, A.J. Greaves, Dyes Pigm. 50, 117 (2001)
3. P. Gregory, D.R. Waring, G. Hallos, The Chemistry and Application of Dyes (Plenum Press, London, 1990), p. 58
4. Z. Seferoglu, N. Ertan, E. Yilmaz, G. Uraz, Color. Technol. 124, 27 (2008)
5. U. Bali, E. Catalkaya, F. Senul, J. Hazard. Mater. 114, 159 (2004)