KRÓL, Eugeniusz Cezary. Polish culture and science in 1968. The determinants and basic problem of existence. Rocznik Polsko-Niemiecki, [S. l.], n. 18, p. 77–107, 2010. DOI: 10.35757/RPN.2010.18.05. Disponível em: https://czasopisma.isppan.waw.pl/rpn/article/view/896. Acesso em: 19 may. 2024.