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1by Amorini, E. (Istituto Sperimentale per la Silvicultura, Arezzo (Italy)), FAO/ECE/ILO Joint Committee on Forest Working Techniques and Training of Forest Workers, Geneva (Switzerland) eng, Seminar on Machines and Techniques for Forest Plant Production eng 20-24 Jun 1983 Tatranska Lomnica (Czechoslovakia)
Published 1983Texto bibliotecaFAO IT