1. Inventor's Certificates Nos. 1281535 and 113842.
2. T. Brill, Light. Effect on the Development of Art (Artistic Colors) [Russian translation], Mir, Moscow (1983).
3. E. A. Indeikin, L. N. Leibzon, and I. A. Tolmachev, Pigmenting Paint Materials (Varnishes) [in Russian], Khimiya, Leningrad (1986).