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Lua i Stíl Chicago (17ú heag.)Sorensen, Annette. Manipulation of Lactation Persistency to Achieve Extended Lactation in Dairy Cows. 2000.
Lua MLA (8ú heag.)Sorensen, Annette. Manipulation of Lactation Persistency to Achieve Extended Lactation in Dairy Cows. 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.