1. Binkowski S et al (2000) Preparation of pigments on modified precipitated silicas. Dyes Pigments 47:247–257
2. Blumenroth D (2010) Die Lösemittelempfindlichkeit synthetisch-organischer Pigmente in Ölfarben. MA-thesis, Berner Fachhochschule, Konservierung und Restaurierung HKB, Bern
3. Bugnon P (1995) Surface treatment of pigments. Treatment with inorganic materials. Prog Org Coat 29:39–43
4. de Keijzer M (1988) The blue, violet and green modern synthetic organic pigments of the twentieth century uses as artists’ pigments. In: Modern organic materials. Preprints of the meeting, Edinburgh 1988. Scottish Society for Conservation and Restoration, Edinburgh, pp 97–103
5. de Keijzer M (1989) The colourful twentieth century. In: Modern art: the restoration and techniques of modern paper and paints – the proceedings of a conference. The United Kingdom Institute of Conservation, London, pp 13–20