Forest condition in Europe. 2004 technical report of ICP forests

Lorenz M, Becher G, Mues V, Fischer R, Ulrich E, Dobbertin M & Stofer S
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Lorenz, M., Becher, G., Mues, V., Fischer, R., Ulrich, E., Dobbertin, M., & Stofer, S. (2004). Forest condition in Europe. 2004 technical report of ICP forests. Institute for World Forestry.