Akkumulation von Metallen und Stickstoff in Moosen in Nordrhein-Westfalen 1990 – 2005 (Accumulation of metals and nitrogen in mosses in North Rhine-Westfalia 1990–2005)
Winfried Schröder*, Roland Pesch*, Marcel Holy*, Lutz Genßler, Harry Harmens and Ilia Ilyin