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1by Wang Shaoyan, FAO, Rome (Italy). Forestry Dept. eng, International Poplar Commission. Ad Hoc Committee on Poplar and Willow Breeding eng 19-23 Mar 1990 Buenos Aires (Argentina), Li Guihua, Zhang Zhenwen
Published 1990Texto bibliotecaFAO IT -
2by Wang Shaoyan, FAO, Rome (Italy). Forestry Dept. eng, International Poplar Commission. Ad Hoc Committee on Poplar and Willow Breeding eng 19-23 Mar 1990 Buenos Aires (Argentina), Feng Xiankui, Song Yuxia, Cao Yuyun
Published 1990Texto bibliotecaFAO IT