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Lua MLA (8ú heag.)Institut ėkonomiki i organiza︠t︡sii promyshlennogo proizvodstva (Akademi︠i︡a nauk SSSR) agus Aleksandr Grigorʹevich Granberg. Proekt SIRENA: Metodologi︠i︡a I Instrumentariĭ. "Nauka," Sibirskoe otd-nie, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.