Ring tests as main parts of the quality assurance and control programme for the comparability of analytical data within the ICP Forests monitoring programme - König, Nils; Cools, Nathalie; Derome, Kirsti; Fürst, Alfred; Jakovljević, Tamara; Marchetto, Aldo (BFW Austrian Research Centre for Forests, 2016)
Keywords: ICP-Forests; Eurooppa; monitoring techniques; environmental monitoring; ympäristön tila