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Lua i Stíl Chicago (17ú heag.)Roff, J.W. Service Life of Western Red Cedar in Water Cooling Towards in Canada. Canada: Department of Forestry, 1964.
Lua MLA (9ú heag.)Roff, J.W. Service Life of Western Red Cedar in Water Cooling Towards in Canada. Department of Forestry, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.