Editorial: Ökologie und Marxismus. PROKLA. Journal of Critical Social Science, Berlin, DE, v. 9, n. 34, p. 27–34, 1979. DOI: 10.32387/prokla.v9i34.1644. Disponível em: https://prokla.de/index.php/PROKLA/article/view/1644. Acesso em: 24 dec. 2025.