1. A. D. Kagarlitskii, S. M. Adekenov, and A. N. Kuprijanov, Sesquiterpene Lactones from Plants of Central Kazakhstan [in Russian], Nauka, Alma-Ata, 1987, 240 pp.
2. U. Rachmankulov, Sh. Z. Kasymov, K. Taizhanov, E. E. Korotkova, and G. P. Sidyakin, Rastit. Resur., 15, 79 (1979).
3. K. S. Rybalko, Natural Sesquiterpene Lactones [in Russian], Meditsina, Moscow, 1978, 295 pp.
4. S. A. Abdulina, List of Vascular Plants of Kazakhstan [in Russian], Nauka, Alma-Ata, 1998, 187 pp.
5. S. A. Ivasenko, Liquid Chromatography in the Analysis and Production Technology of Drugs [in Russian], Glasir, Karaganda, 2010, 109 pp.