Panchenko, S. . V., N. S. Fursa, S. N. Solennikova, D. L. Makarova, D. V. Domrachov, Y. A. Malceva, and Кornijevs’kyjY. І. “Chromato-Mass-Spectrometry Investigation of Composition of Valerian Essential Oil”. Farmatsevtychnyi Zhurnal, no. 5, Mar. 2019, pp. 89-93, https://pharmj.org.ua/index.php/journal/article/view/473.