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Lua i Stíl Chicago (17ú heag.)-. Methods and Measurements of Periphyton Communities: A Review. Philadelphia: American Society for ., 1979.
Lua MLA (9ú heag.)-. Methods and Measurements of Periphyton Communities: A Review. American Society for ., 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.