Criteria and Indicators of Backwardness. Essays on Uneven Development in European History. Zeitschrift für Ostmitteleuropa-Forschung, [S. l.], v. 47, n. 3, p. 453, 1998. DOI: 10.25627/19984736709. Disponível em: https://openjournals.osmikon.de/zfo/article/view/6709. Acesso em: 16 sep. 2026.