CASTRO GARCIA, Óscar. Biosemiotic aspects of consciousness in search of signs of life and their connection to consciousness as a telonomical principle. Pensamiento. Revista de Investigación e Información Filosófica, Madrid, España, v. 62, n. 234, p. 471–504, 2016. Disponível em: https://revistas.comillas.edu/pensamiento/article/view/4615. Acesso em: 9 jul. 2026.