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Lua MLA (8ú heag.)Barsukov, Valeriĭ Leonidovich, et al. Geokhimicheskie Metody Poiskov Rudnykh Mestorozhdeniĭ. Izd-vo "Nauka,", 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.