1.

図書
図書
1. XVII IUFRO World Congress : congress report = rapport sur le congres = Kongressbericht
International Union of Forestry Research Organizations. World Congress ; Japanese IUFRO Congress Council
出版情報: Tsukuba : Japanese IUFRO Congress Council, [1981?]
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2.

図書
図書
2. XVII IUFRO World Congress : proceedings = Referate = exposés (Interdivisional - Division 6)
International Union of Forestry Research Organizations. World Congress ; Japanese IUFRO Congress Council
出版情報: Tsukuba : Japanese IUFRO Congress Committee, [1981?]
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