1. US Patent 5739087.
2. Murray, H.H., Appl. Clay. Sci., 2000, vol. 17, pp. 207–221.
3. Peintures et Vernis, Grandou, P. and Masson, J.C., Eds., Paris: Hermann, 1996.
4. Avci, S., Selection of Rheological Additives for Printing Inks, Eurocoat Inkmakers Forum During the 2nd European Congr. on Printing Inks, Nuremberg (Germany), 2003.
5. US Patent 4664820.