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  1. By: Sukopp, Ulrich - Schmitz, Ulf
    Type: Article
    In: BioRisk : biodiversity & ecosystem risk assessment
    Volume: 8
    Date: 2013
    Page Range: 89-110
    Publication Info: Sofia, Bulgaria Pensoft
    Subjects: Brassica napus  floristic mapping  Genetically modified plants  hybrid offspring  oilseed rape  post-market environmental monitoring  standardised methods  VDI Guidelines  wild crossing partners