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  Category:Archipendula – Wikimedia Commons

  https://commons.wikimedia.org/wiki/Category:Archipendula?uselang=de

  Keine Beschreibung vorhanden.

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  Category:National Institute of Standards and Technology – Wikimedia Commons

  https://commons.wikimedia.org/wiki/Category:National_Institute_of_Standards_and_Technology?uselang=de

  Keine Beschreibung vorhanden.

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  Turning a Problem into a Resource: Remediation and Waste Management at the ... - Google Books

  https://books.google.de/books?id=hkTGV56jbI0C&pg=PA60#v=onepage

  In its present condition, the dam of the tailings pond is less stable than is recommended by international practice. A surveillance system has been established to observe both vertical and horizontal soil movement and the buildup of stresses in the soil.…

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  Category:Astrolabes – Wikimedia Commons

  https://commons.wikimedia.org/wiki/Category:Astrolabes?uselang=de

  Keine Beschreibung vorhanden.

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