MARACIC, M.; RIBARIC, S. A physical implementation of the Turing machine accessed through Web. International Journal of Online and Biomedical Engineering (iJOE), [S. l.], v. 4, n. 4, p. pp. 45–51, 2008. DOI: 10.3991/ijoe.v4i4.688. Disponível em: https://online-journals.org/index.php/i-joe/article/view/688. Acesso em: 17 jan. 2022.