CROWDY, D.; EVANS, M. Introduction. Perfect Beat, [S. l.], v. 11, n. 1, p. 5–6, 2010. DOI: 10.1558/prbt.v11i1.5. Disponível em: http://journal.equinoxpub.com/PB/article/view/16498. Acesso em: 31 mar. 2023.