CROWDY, D.; EVANS, M. Introduction. Perfect Beat, [S. l.], v. 13, n. 1, p. 5–6, 2012. DOI: 10.1558/prbt.v13i1.5. Disponível em: http://journal.equinoxpub.com/PB/article/view/16434. Acesso em: 27 jan. 2022.