[ 发表于: Arab Universities Journal of Agricultural Sciences ]
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Viroids infected mandarin and navel orange in Egypt
1997
El-Dougdoug, K.A. (Ain-Shams Univ., Cairo (Egypt). Faculty of Agriculture) | Awad, M.A. | Shalaby, A.A. | Abo-Zeid, A.A.
Egyptian Documentation and Information Centre for Agriculture - Egypt
