The condition of forests in Europe. 2007 executive report
Fischer R, Badea O, Barbosa P, Bastrup-Birk A, Becher G, Bertini R, Calatayud V, Coenen S, de Vries W, Dobbertin M, Ferretti M, Granke O, Hiederer R, Houston-Durrant T, Köhl M, Kraft P, Lorenz M, Meyer P, Nagel H-D, Pavlenda P, Reinds GJ, Roskams P, Sanz M, Schaub M, Schulte E, Seidling W, Solberg S & Stofer S
Fischer, R., Badea, O., Barbosa, P., Bastrup-Birk, A., Becher, G., Bertini, R., … Stofer, S. (2007). The condition of forests in Europe. 2007 executive report. (ICP Forests executive report). ICP Forests.