Jonathan Bolton, Worlds of Dissent. Charter 77, the Plastic People of the Universe, and Czech Culture under Communism. Zeitschrift für Ostmitteleuropa-Forschung, [S. l.], v. 64, n. 3, p. 402–410, 2015. DOI: 10.25627/20156439886. Disponível em: https://openjournals.osmikon.de/zfo/article/view/9886. Acesso em: 16 sep. 2026.