Zielinski, O; Pieck, D; Schulz, J; Thölen, C; Wollschläger, J; Albinus, M; Badewien, TH; Braun, A; Engelen, B; Feenders, C; Fock, S; Lehners, C; Löhmus, K; Lübben, A; Massmann, G; Meyerjürgens, J; Nicolai, H; Pollmann, T; Schwalfenberg, K; Stone, J; Waska, H; Winkler, H (2022) The Spiekeroog Coastal Observatory: A scientific infrastructure at the land-sea transition zone (southern North Sea), Frontiers in Marine Science, 8 (February), DOI: 10.3389/fmars.2021.754905

Lübben, A., Dellwig, O., Koch, S. et al. Distributions and characteristics of dissolved organic matter in temperate coastal waters (Southern North Sea). Ocean Dynamics 59, 263–275 (2009). https://doi.org/10.1007/s10236-009-0181-x

Reuter, R, Badewien, TH, Bartholomä, A, Braun, A, Lübben, A and Rullkötter, J (2009) A hydrographic time series station in the Wadden Sea (southern North Sea). Ocean Dynamics, 59(2). 195-211. doi:10.1007/s10236-009-0196-3