<style face="normal" font="default" size="100%">The EU Butterfly Indicator for Grassland species: 1990-2017. Technical report</style>

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31<style face="normal" font="default" size="100%">The EU Butterfly Indicator for Grassland species: 1990-2017. Technical report</style><style face="normal" font="default" size="100%">The EU Butterfly Indicator for Grassland species: 1990-2017. Technical report</style>