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Lua i Stíl Chicago (17ú heag.)Henningsson, Björn. Microbial Decomposition of Unpeeled Birch and Aspen Pulpwood During Storage. Stockholm: Skogshögskolan, 1967.
Lua MLA (8ú heag.)Henningsson, Björn. Microbial Decomposition of Unpeeled Birch and Aspen Pulpwood During Storage. Skogshögskolan, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.