MÜLLER, D. Mixed Reality Systems. International Journal of Online and Biomedical Engineering (iJOE), [S. l.], v. 5, n. 6, p. pp. 10–11, 2009. DOI: 10.3991/ijoe.v5i6.1094. Disponível em: https://online-journals.org/index.php/i-joe/article/view/1094. Acesso em: 13 aug. 2022.