Tungsten in the Second World War: China, Japan, Germany, the Allies and Iberia. Comillas Journal of International Relations, [S. l.], n. 10, p. 65–90, 2017. DOI: 10.14422/cir.i10.y2017.005. Disponível em: https://revistas.comillas.edu/internationalrelations/article/view/8235. Acesso em: 5 dec. 2025.