SJØRRING, Steen. Smeltevand i stride strømme. Varv, [S. l.], v. 1968, n. 2, p. 43–52, 1968. DOI: 10.7146/varv.v1968i2.151436. Disponível em: https://tidsskrift.dk/varv/article/view/151436. Acesso em: 6 dec. 2025.