Reference

Jörg Ewald, Stephan M. Hennekens, Sven Conrad, Thomas Wohlgemuth, Florian Jansen, Martin Jenssen, Johnny Cornelis, Hans Gerhard Michiels, Jürgen Kayser, Milan Chytry, Jean-Claude Gegout, Michael Breuer, Clemens Abs, Helge Walentowski, Franz Starlinger, Andrine Godefroid (2013): Spatial and temporal patterns of Ellenberg nutrient values in forests of Germany and adjacent regions - a survey based on phytosociological databases – Tuexenia - Mitteilungen der Floristisch-soziologischen Arbeitsgemeinschaft – NS_33: 93 - 109.