1. Encyclopedia of Chromatography, Cazes, J., Ed, New York: M. Dekker, 2001, p. 927.
2. Handbook of Thin-Layer Chromatography, Sherma, J. and Fried, B., Eds., New York: M. Dekker, 2003, p. 1016.
3. Planar Chromatography, Nyiredy, Sz., Ed., Budapest: Springer, 2001, p. 614.
4. Geiss, F., Fundamentals of Thin Layer Chromatography (Planar Chromatography), Heidelberg: Huetig, 1987. Translated under the title Osnovy tonkosloinoi khromatografii, Moscow: Nauch. sovet RAN po khromatografii, 1999.
5. Ettre, L.S., Pure Appl. Chem., 1993, no. 4, p. 819.