1. Industrial Organic Pigments: Production, Properties, Applications;Herbst,1993
2. Paint Flow and Pigment Dispersion;Patton,1979
3. Dispersion of Powders in Liquids, with Special Reference to Pigments;Parfitt,1981
4. Nano-particles formation for pigment red 177 via a continuous supercritical anti-solvent process;Wu;J. Supercrit. Fluids,2005
5. M. Kamiwano, K. Nishi, Y. Inoue, U.S. Patent No. 5,921,478 (1999).