1. Robertson GH, In Lewis PA, editor. Pigment handbook. 2nd ed. New York: John Wiley & Sons; 1988. p. 535–46.
2. Pigments: structures and synthetic procedures;Christie,1993
3. The organic and inorganic chemistry of pigments;Christie,2002
4. Industrial organic pigments;Herbst,1993
5. Colour and constitution relationships in organic pigments. Part 2âdisazoacetoacetanilides