1. Alcock GA, Cartwright DE (1977) An analysis of 10 year’s voltage records from the Dover-Sangatte cable. Deep Sea Res 70: 341–365.
2. Böhnecke G (1922) Salzgehalt und Strömungen der Noordsee. Veroeff Inst Meereskd Berlin A 10.
3. Bolin B, Rodhe H (1973) A note on the concepts of age distribution and transit time in natural reservoirs. Tellus 25: 58–62.
4. Buckley JR, Gammelsrød T (1979) The transport of the Norwegian Coastal current determined by inverse methods. Den Norske Kyststrøm Rep 2: 13.
5. Carruthers JN, Lawford AL, Veley VFC (1950) Studies of water movements and winds at various light-vessels in 1938, 1939 and 1940. At the Varne lightship and her successors. Ann Biol 6: 115–120.