1. Aanderaa, I., 1964. A recording and telemetering instrument.NATO Subcomm. oceanogr. Res. 16,Tech. Rep.
2. Böhnecke, G., 1922. Salzgehalt und Strömungen der Nordsee.Veröff. Inst. Meeresk. Univ. Berl., N. F., A. Geogr.-naturwiss. R. H.10, 1–34.
3. Bowden, K. F., 1965. Horizontal mixing in the sea due to a shearing current.J. Fluid Mech. 21, 83–95.
4. Carruthers, J. N., 1925. The water movements in the southern North Sea. Part 1. The surface drift.Fishery Invest., Lond. (Ser. 2) 8 (2), 1–119.
5. —— 1926. The water movements in the southern North Sea. Pt 2. The bottom currents.Fishery Invest., Lond. 9 (3), 1–114.