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Lua i Stíl Chicago (17ú heag.)Mabbayad, Basilio Baquiran. The Tannin Content of Certain Bird-resistant Grain Sorghum Hybrids. Ann Arbor: University Microfilms.
Lua MLA (9ú heag.)Mabbayad, Basilio Baquiran. The Tannin Content of Certain Bird-resistant Grain Sorghum Hybrids. University Microfilms.
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