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47by Wilkinson, A.G. (Ministry of Works and Development, Palmerston North (New Zealand). National Plant Materials Centre), FAO, Rome (Italy). Forestry Dept. eng, International Poplar Commission. Executive Committee eng 6 Sep 1982 Sess. 31 Casale Monferrato (Italy)
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49by Zsuffa, L. (Ministry of Natural Resources, Maple, Ontario (Canada). Ontario Tree Improvement and Forest Biomass Inst.), FAO, Rome (Italy). Forestry Dept. eng, International Poplar Commission. Executive Committee eng 6 Sep 1982 Sess. 31 Casale Monferrato (Italy)
Published SepTexto bibliotecaFAO IT -
50by Spiers, A.G. (Ministry of Works and Development, Palmerston North (New Zealand). Water and Soil Science Centre Aokautere), FAO, Rome (Italy). Forestry Dept. eng, International Poplar Commission. Executive Committee eng 6 Sep 1982 Sess. 31 Casale Monferrato (Italy)
Published SepTexto bibliotecaFAO IT -
51by Spiers, A.G. (Ministry of Works and Development, Palmerston North (New Zealand). Water and Soil Science Centre Aokautere), FAO, Rome (Italy). Forestry Dept. eng, International Poplar Commission. Executive Committee eng 6 Sep 1982 Sess. 31 Casale Monferrato (Italy)
Published SepTexto bibliotecaFAO IT -
52by Spiers, A.G. (Ministry of Works and Development, Palmerston North (New Zealand). Water and Soil Science Centre Aokautere), FAO, Rome (Italy). Forestry Dept. eng, International Poplar Commission. Executive Committee eng 6 Sep 1982 Sess. 31 Casale Monferrato (Italy)
Published SepTexto bibliotecaFAO IT -
53by Spiers, A.G. (Ministry of Works and Development, Palmerston North (New Zealand). Water and Soil Science Centre Aokautere), FAO, Rome (Italy). Forestry Dept. eng, International Poplar Commission. Executive Committee eng 6 Sep 1982 Sess. 31 Casale Monferrato (Italy)
Published SepTexto bibliotecaFAO IT -
54by Spiers, A.G. (Ministry of Works and Development, Palmerston North (New Zealand). Water and Soil Science Centre Aokautere), FAO, Rome (Italy). Forestry Dept. eng, International Poplar Commission. Executive Committee eng 6 Sep 1982 Sess. 31 Casale Monferrato (Italy)
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57by Zsuffa, L., FAO, Rome (Italy). Forestry Dept. eng, International Poplar Commission. Executive Committee eng 6 Sep 1982 Sess. 31 Casale Monferrato (Italy), Morgan, D. (Ministry of Natural Resources, Maple, Ontario (Canada). Ontario Tree Improvement and Forest Biomass Inst.)
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