CROWDY, D.; EVANS, M. Introduction. Perfect Beat, [S. l.], v. 14, n. 1, p. 5–6, 2013. DOI: 10.1558/prbt.v14i1.5. Disponível em: http://journal.equinoxpub.com/PB/article/view/16417. Acesso em: 27 jan. 2022.