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Lua i Stíl Chicago (17ú heag.)ISI. IS: SPECIFICATION FOR METALLIC SPIRAL WOUND GASKETS IS : 7719-1975. NEW DELHI: ISI, 1975.
Lua MLA (9ú heag.)ISI. IS: SPECIFICATION FOR METALLIC SPIRAL WOUND GASKETS IS : 7719-1975. ISI, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.