BRUS, Wlodimierz. East European Economies Facing the "Eighties". Wirtschaft und Gesellschaft, Wien, Österreich, v. 8, n. 2, p. 405–414, 1982. Disponível em: https://journals.akwien.at/index.php/wug/article/view/1432.. Acesso em: 23 mar. 2026.