By Opstad Nina   Sønsteby Anita   in Acta Agriculturae Scandinavica, B

ISSN:0906-4710|58|4|297-304

Taylor & Francis Ltd‎(2008)‎

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By Sønsteby Anita   Nes Arnfinn   Måge Finn   in Acta Agriculturae Scandinavica, B

ISSN:0906-4710|54|3|128-134

Taylor & Francis Ltd‎(2004)‎

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