The International Plant Genethic Resource Institute. (2005). Seed system and crop genetic diversity on-farm. The International Plant Genethic Resource Institute.
Chicago-viite (17. p.)The International Plant Genethic Resource Institute. Seed System and Crop Genetic Diversity On-farm. Roma: The International Plant Genethic Resource Institute, 2005.
MLA-viite (9. p.)The International Plant Genethic Resource Institute. Seed System and Crop Genetic Diversity On-farm. The International Plant Genethic Resource Institute, 2005.
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