SPIERLING, Volker. Nietzsche i Schopenhauer: una comparació. Enrahonar. An international journal of theoretical and practical reason, [S. l.], v. 25, p. 21–39, 1996. DOI: 10.5565/rev/enrahonar.589. Disponível em: https://revistes.uab.cat/enrahonar/article/view/v25-spierling. Acesso em: 7 apr. 2025.