1. E. T. Mikhailenko, V. E. Radzinskii, and K. A. Zaharov, Medicinal Plants in Obstetrics and Gynecology [in Russian], Naukova Dumka, Kiev (1987).
2. A. D. Turova, Medicinal Plants of USSR and Their Use [in Russian], Meditsina, Moscow (1974).
3. V. P. Georgievskii, N. F. Komissarenko, and S. E. Dmitruk, Biologically Active Substances of Medicinal Plants [in Rusaian], Nauka, Novosibirsk (1990).
4. E. I. Korotkova, Zh. Fiz. Khim., 74(9), 1704–1706 (2000).
5. E. I. Korotkova, V. A. Karbainov, and A. V. Shevchuk, J. Electroanalyt. Chem., 518, 56–60 (2002).