Dutch Butterfly Conservation produced an analysis in 2004 for the ETCNPB. This analysis was subcontracted and resulted to results and figures. These results and figures are free of copyrights for publications (edition, web, ...). Dutch Butterfly Conservation should be cited in any of these publications.
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Think twice before buying more toys for your children.
Many of them are used only very shortly and then thrown away. Go for high-quality, long-lasting toys that can be used by several generations of children. Selling old toys on a flea market can give your toys a second life and can be much fun for you and the kids.
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