1. Raevskii, K.S. and Georgiev, V.P., Mediatornye aminokisloty: neirofarmakologicheskie i neirokhimicheskie aspekty (Transmittory Amino Acids: Neuropharmacological and Neurochemical Aspects), Moscow: Meditsina, 1986.
2. Hucho, F., Neirokhimiya: osnovy i printsipy (Neurochemistry: Fundamentals and Concepts), Moscow: Mir, 1990.
3. Aliev, Z.N. and Aliev, N.A., Zh. Nevrologii i Psikhiatrii, 2000, no. 2, pp. 62–63.
4. Kovalev, G.V., Vasil’ev, S.A., Sazhin, V.A., Kuleshov, I.P., and Batalina, I.N., Farmak. i Toksikologiya, 1990, vol. 53, pp. 20–22.
5. Topuzyan, V.O., Nesunets, N.S., Mendzhayan, O.L., Akopyan, A.Z., et al., Farmak. i Toksikologiya, 1992, vol. 55, pp. 31–34.