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1by Evrard, R., International Poplar Commission. Working Party on Logging and Utilization of Poplar Wood. Meeting eng 22-24 Sep 1986 Gembloux (Belgium), Culot, A., Six, D., Dansette, J.-Y.
Published 1986Texto bibliotecaFAO IT -
2by Evrard, R., Commission Internationale du Peuplier. Groupe de Travail des Maladies du Peuplier fre 5-8 Sep 1988 Sess. 25 Beijing (China), Bary-Lenger, A., Culot, A., Pensis, M.
Published 1988Texto bibliotecaFAO IT