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Lua i Stíl Chicago (17ú heag.)Sheldon, B. SPERM COMPETITION IN THE CHAFFINCH - THE ROLE OF THE FEMALE. 1994.
Lua MLA (9ú heag.)Sheldon, B. SPERM COMPETITION IN THE CHAFFINCH - THE ROLE OF THE FEMALE. 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.