Long-term changes in the macrozoobenthos around the rocky island of Helgoland (German Bight, North Sea)
Franke, H.-D.; Gutow, L. (2004). Long-term changes in the macrozoobenthos around the rocky island of Helgoland (German Bight, North Sea). Helgol. Mar. Res. 58(4): 303-310. https://dx.doi.org/10.1007/s10152-004-0193-3