SIERPOWSKI, Stanisław. Poland in the Emerging Bipolar World. Sensus Historiae, [S. l.], v. 45, n. 4, p. 9–48, 2021. DOI: 10.14746/sh.2021.45.4.001. Disponível em: https://pressto.amu.edu.pl/index.php/sh/article/view/53569. Acesso em: 19 may. 2026.