The forest resources of the temperate zones : the UN-ECE/FAO 1990 forest resource assessment, v. 2. Benefits and functions of the forest / United Nations Economic Commission for Europe, Food and Agriculture Organization of the United Nations.
The forest resources of the temperate zones : the UN-ECE/FAO 1990 forest resource assessment, v. 2. Benefits and functions of the forest / United Nations Economic Commission for Europe, Food and Agriculture Organization of the United Nations.