TARNAI, Tibor; LENGYEL, András. The Truncated Icosahedron as an Inflatable Ball. Periodica Polytechnica Architecture, [S. l.], v. 49, n. 2, p. 99–108, 2018. 10.3311/PPar.12375. Disponível em: https://pp5.omikk.bme.hu/ar/article/view/12375. Acesso em: 25 feb. 2025.