VALERIY ETKIN. On the Dialectic Unity of Evolution and Involution. Global Journal of Science Frontier Research, [S. l.], v. 20, n. A10, p. 9–16, 2020. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/2804. Acesso em: 6 may. 2024.