Davydenko, I. “Cognitive Modelling of Earth / Ground Conceptual Duplex in the English Worldview”. The Journal of V.N. Karazin Kharkiv National University. Series: Foreign Philology. Methods of Foreign Language Teaching, no. 81, Mar. 2016, pp. 205-10, https://periodicals.karazin.ua/foreignphilology/article/view/5361.