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Lua i Stíl Chicago (17ú heag.)Looijen, Richard Christiaan. Holism and Reductionism in Biology and Ecology: The Mutual Dependence of Higher and Lower Level Research Programmes. [S.l.: s.n.], 1998.
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Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.