Institution: | 1 SkogForsk, Uppsala Science Park, S-751 83 Uppsala, Sweden 2 Finnish Forest Research Institute, Joensuu Research Centre, Yliopistokatu 7, PO Box 68, FIN-80101 Joensuu, Finland 3 University of Joensuu, Faculty of Forestry, PO Box 111, FIN-80101, Joensuu, Finland |