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2by Bardy, D.A. (Forestry Commission, Edinburg (UK)), FAO/ECE/ILO Joint Committee on Forest Working Techniques and Training of Forest Workers, Geneva (Switzerland) eng, International Seminar on Ergonomics Applied to Forestry eng 17-22 Oct 1983 Vienna; Ossiach (Austria), International Union of Forestry Research Organizations, Vienna (Austria) eng
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