MEIKLE, J. L. From Material to Immaterial: Plastics and Plasticity in the 20th Century. Tekniikan Waiheita, [S. l.], v. 22, n. 4, p. 5–17, 2004. Disponível em: https://journal.fi/tekniikanwaiheita/article/view/154559. Acesso em: 25 joulu. 2024.