IUFRO news
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[1.]1972 - [18.]1989 = Nr. 1-65; 19.1990 - 33.2004,4
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18th IUFRO world congress : proceedings ; Ljubljana, September 7 - 12, 1986
Catalogue agriculture | 1986
18th IUFRO world congress : proceedings ; Ljubljana, September 7 - 12, 1986
Catalogue agriculture | 1986
18th IUFRO world congress : proceedings ; Ljubljana, September 7 - 12, 1986
Catalogue agriculture | 1986
18th IUFRO world congress : proceedings ; Ljubljana, September 7 - 12, 1986
Catalogue agriculture | 1986