LEISIÖ, T. A Comparative View on Germanic and Slavonic Hexatonal Song Grammars. Etnomusikologian vuosikirja, [S. l.], v. 19, p. 237–299, 2007. DOI: 10.23985/evk.101190. Disponível em: https://etnomusikologia.journal.fi/article/view/101190. Acesso em: 13 huhti. 2024.