CHIEN, J.-P. Schema as both the key to and the puzzle of life: Reflections on the Uexküllian crux. Sign Systems Studies, [S. l.], v. 32, n. 1/2, p. 188–208, 2004. DOI: 10.12697/SSS.2004.32.1-2.08. Disponível em: https://ojs.utlib.ee/index.php/sss/article/view/SSS.2004.32.1-2.08. Acesso em: 25 apr. 2024.