URBANO, Cristóbal. Unisist (1971): the feasibility of a world science information system revisited from a back to the future approach to information policy. Anuario ThinkEPI, [S. l.], v. 18, 2024. DOI: 10.3145/thinkepi.2024.e18a23. Disponível em: https://thinkepi.scimagoepi.com/index.php/ThinkEPI/article/view/91667. Acesso em: 7 may. 2026.