N. Vachnadze, et al. “ALKALOIDS OF GEORGIAN ENDEMIC PLANT OF BUXUS COLCHICA POJARK. AND THE ANATOMY OF VEGETATIVE BODIES OF OVERGROUND PARTS”. Scientific Works of I. Kutateladze Pharmacochemistry Institute, vol. 1, no. 17, Dec. 2021, pp. 7-11, https://journals.4science.ge/index.php/pharmaco/article/view/691.