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1by Balatinecz, J.J., International Poplar Commission eng 2-12 Nov 1980 Sess. 16 Izmir (Turkey)
Published 1980Texto bibliotecaFAO IT -
2by Balatinecz, J.J., International Poplar Commission eng 5-8 Sep 1988 Sess. 18 Beijing (China)
Published 1988Texto bibliotecaFAO IT -
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