MACHNACZ, Jerzy. Steiniana. Wrocławski Przegląd Teologiczny, [S. l.], v. 17, n. 2, p. 257–259, 2020. DOI: 10.34839/wpt.2009.17.2.257-259. Disponível em: https://ojs.academicon.pl/wpt/article/view/3163. Acesso em: 28 mar. 2024.