Submitted by Robert Holling

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Reviewed by Koni Gebistorf

We are considering the content you've suggested for a summary, and we'll inform you once that summary goes online. Please note that we secure rights for everything we summarize – this may take a while.

Sometimes, we decide against a summary later, because we prefer another, similar publication, or because the rights owners don't want us to summarize their content. We thank you for your understanding if that should be the case with your suggestion.

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Activated by Elisabeth Nitzsche