Literaturrecherche

Literatur Wendland F, Bogena H, Gömann H, Hake J-F, Kreins P, Kunkel R (2005) Impact of nitrogen reduction measures on the nitrogen loads of the river Ems and Rhine (Germany). Phys Chem Earth 30(8-10):527-541, DOI:10.1016/j.pce.2005.07.007