FABRICIUS, J. Kvartskrystallens hemmelighed. Varv, [S. l.], v. 1984, n. 2, p. 58–63, 1984. DOI: 10.7146/varv.v1984i2.145348. Disponível em: https://tidsskrift.dk/varv/article/view/145348. Acesso em: 23 dec. 2024.