FAO forestry series
Food and Agriculture Organization
Food and Agriculture Organization of the United Nations for the International Poplar Commission , [Distributed by H.M.S.O.]
Food and Agriculture Organization of the United Nations for the International Poplar Commission , [Distributed by H.M.S.O.] 1980 [New ed.] / [M. Viart, editor-in-chief] FAO forestry series / Food and Agriculture Organization no.10
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