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2by Palo, R.T., International Poplar Commission. Working Party on Insects and Other Animal Pests eng 22-25 Sep 1986 Sess. 11 Louvain La Neuve (Belgium)
Published 1986Texto bibliotecaFAO IT -
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4by Lapietra, G., International Poplar Commission. Working Party on Insects and Other Animal Pests eng 22-25 Sep 1986 Sess. 11 Louvain La Neuve (Belgium), Allegro, G.
Published 1986Texto bibliotecaFAO IT -
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7by Gumez, J.L., International Poplar Commission. Working Party on Insects and Other Animal Pests eng 22-25 Sep 1986 Sess. 11 Louvain La Neuve (Belgium), Martinez, M.
Published 1986Texto bibliotecaFAO IT