SIIKALA, A.-L. Singing of incantations in Nordic tradition. Scripta Instituti Donneriani Aboensis, [S. l.], v. 13, p. 191–205, 1990. DOI: 10.30674/scripta.67176. Disponível em: https://journal.fi/scripta/article/view/67176. Acesso em: 26 apr. 2024.