Não informado. (1908). Proceedings of the Association of Official Seed Analysts. Association of Official Seed Analysts.
Chicago-referens (17:e uppl.)Não informado. Proceedings of the Association of Official Seed Analysts. Lincoln, Neb: Association of Official Seed Analysts, 1908.
MLA-referens (8:e uppl.)Não informado. Proceedings of the Association of Official Seed Analysts. Association of Official Seed Analysts, 1908.
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