HOPFF, H. Die Hochdruckpolymerisation des Äthylens. CHIMIA, [S. l.], v. 18, n. 4, p. 129, 1964. DOI: 10.2533/chimia.1964.129. Disponível em: https://www.chimia.ch/chimia/article/view/1964_129. Acesso em: 12 apr. 2025.