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Lua i Stíl Chicago (17ú heag.)Lumens, Mieke. Aspects of Control Measures in Occupational Hygiene. [S.l.: s.n.], 1997.
Lua MLA (8ú heag.)Lumens, Mieke. Aspects of Control Measures in Occupational Hygiene. s.n.], 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.