Petersen , G. Høpner. “Balanus Balanoides (L.) (Cirripedia). Life Cycle and Growth in Greenland”. Meddelelser om Grønland 159, no. 12 (August 10, 1966): 1–114. Accessed December 29, 2025. https://tidsskrift.dk/meddrgroenland/article/view/161534.