"quarantine pest" - Selaus asiasanan mukaan Luonnonvarakeskuksen julkaisut
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Opinion of the Scientific Panel on Plant Health on the pest risk assessment made by Lithuania on Ambrosia spp. : (Question No EFSA-Q_2006-055A)
The EFSA Journal : 527/2007 (2007) -
Opinion of the Scientific Panel on Plant Health on the pest risk assessment made by Poland on Ambrosia spp. : (Question No EFSA-Q-2006-055B)
The EFSA Journal : 528/2007 (2007)