NOE-NYGAARD, A. Forstenede lyn – Fulguriter. Varv, [S. l.], v. 1973, n. 4, p. 109–111, 1973. DOI: 10.7146/varv.v1973i4.150722. Disponível em: https://tidsskrift.dk/varv/article/view/150722. Acesso em: 7 jan. 2025.