ECKES, Christian; BIATOV, Konstantin; HÜLSKEN, Frank; KÖHLER, Joachim; BREUER, Pia; BRANCO, Pedro; ENCARNACAO, L. Miguel. Towards Sociable Virtual Humans: Multimodal Recognition of Human Input and Behavior. International Journal of Virtual Reality, [S. l.], v. 6, n. 4, p. 21–30, 2007. DOI: 10.20870/IJVR.2007.6.4.2705. Disponível em: https://ijvr.eu/article/view/2705. Acesso em: 2 mar. 2024.