HANSEN, K. A.; MILTERSEN, P. B.; VINAY, V. Circuits on Cylinders. BRICS Report Series, [S. l.], v. 9, n. 50, 2002. DOI: 10.7146/brics.v9i50.21765. Disponível em: https://tidsskrift.dk/brics/article/view/21765. Acesso em: 6 may. 2024.