GÖTZ, M. Poland in the Period of Economic Transition and Germany After Reunification an Attempt at Assessing Σ-Convergence. European Spatial Research and Policy, [S. l.], v. 17, n. 2, p. 71–94, 2010. DOI: 10.2478/s10105-010-0011-7. Disponível em: https://czasopisma.uni.lodz.pl/esrap/article/view/7812. Acesso em: 5 may. 2024.