Zheng, S. (2000). Towards onions and shallots (Allium cepa L.) resistant to beet armyworm (Spodoptera exigua Hübner) by transgenesis and conventional breeding. s.n..
Citace podle Chicago (17th ed.)Zheng, Si-Jun. Towards Onions and Shallots (Allium Cepa L.) Resistant to Beet Armyworm (Spodoptera Exigua Hübner) by Transgenesis and Conventional Breeding. [Wageningen: s.n., 2000.
Citace podle MLA (8th ed.)Zheng, Si-Jun. Towards Onions and Shallots (Allium Cepa L.) Resistant to Beet Armyworm (Spodoptera Exigua Hübner) by Transgenesis and Conventional Breeding. s.n., 2000.
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