The condition of forests in Europe. 2009 executive report
Fischer R, Lorenz M, Köhl M, Becher G, Granke O, Bobrinsky A, Braslavskaya T, de Vries W, Dobbertin M, Kraft P, Laubhann D, Lukina N, Nagel HD, Reinds GJ, Sterba H, Solberg S, Stofer S & Seidling W
Fischer, R., Lorenz, M., Köhl, M., Becher, G., Granke, O., Bobrinsky, A., … Seidling, W. (2009). The condition of forests in Europe. 2009 executive report. (ICP Forests executive report). ICP Forests; European Commission.