Tevzadze, G., Z. Kikvidze, D. Mikeladze, and R. Solomonia. “The Lonely Neanderthal: A Neurochemical Hypothesis for the Domestication of Animals and Plants”. KADMOS, no. 7, 1, pp. 106-4, https://kadmos.iliauni.edu.ge/index.php/kadmos/article/view/219.