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1par Fruehwald, A. (Bundesforschungsanstalt fuer Forst- und Holzwirtschaft, Hamburg (Germany, F.R.)), ECE, Geneva (Switzeralnd) eng, Seminar on Energy Conservation and Self-Sufficiency in the Sawmilling Industry eng 13 Sep 1982 Bonn (Germany, F.R.), Ollmann, H., Ressel, J.
Publié 1982Texto bibliotecaFAO IT