Particulate nitrogen and carbon in seston at Sylt Roads, Station 3 (55.056700N, 8.520000E), Sylt-Rømø Bight, North Sea in 1990 - Rick, Johannes J; Reinicke, Conny; Martens, Peter; Wiltshire, Karen Helen (Alfred Wegener Institute - Wadden Sea Station Sylt, 2018)