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2by Gruenenfelder, T., FAO/ECE/ILO Joint Committee on Forest Working Techniques and Training of Forest Workers, Geneva (Switzerland) eng, Seminar on the Impact of Acute Forest Damage on Harvesting and Silvicultural Operations eng 7-11 Sep 1987 Bonn-Roettgen (Germany, F.R.)
Published AprTexto bibliotecaFAO IT