• 

  The Wall Street Journal & Breaking News, Business, Financial and Economic News, World News and Video

  http://www.wsj.de/article/SB10001424052702304911804579636234227093184.html#articleTabs=article

  WSJ online coverage of breaking news and current headlines from the US and around the world. Top stories, photos, videos, detailed analysis and in-depth reporting.

• 

  Perfluorierte Tenside - Internetangebot Bayerisches Landesamt für Umwelt

  https://web.archive.org/web/20080302081548/http://www.lfu.bayern.de/analytik_stoffe/fachinformationen/analytik_org_stoffe_perfluorierte_tenside/index.htm

  Perfluorierte Tenside

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