FEHÉR, Márta. THE NATURAL AND THE ARTIFICIAL : (An Attempt at Conceptual Clarification). Periodica Polytechnica Social and Management Sciences, [S. l.], v. 1, n. 1, p. 67–76, 1993. Disponível em: https://pp.bme.hu/so/article/view/6565. Acesso em: 25 dec. 2024.