Davtian, Stepan, and Tatyana Chernigovskaya. “Psychiatry in Free Fall: In Pursuit of a Semiotic Foothold”. Sign Systems Studies 31, no. 2 (December 31, 2003): 533–546. Accessed April 26, 2024. https://ojs.utlib.ee/index.php/sss/article/view/SSS.2003.31.2.13.