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2by Schmid-Haas, P.(ed.), International Union of Forestry Research Organizations, Vienna (Austria). eng, International Union of Forestry Research Organizations. Conference eng 19-24 Aug 1985 Zurich (Switzerland), Eidgenoessische Anstalt fuer das Forstliche Versuchswesen, Birmensdorf (Switzerland) ger
Published 1985Texto bibliotecaFAO IT