| web | http://www.newsweek.com/fracking-wells-tainting-drinking-water-texas-and-pennsylvania-study-finds-270735 |
| author | Zoƫ Schlanger |
| publication | Newsweek |
| date | 2014-09-15 |
| web | Peter Moskowitz | Al Jazeera | 2014-09-10 |
| web | Thomas H. Darraha, Avner Vengo... | PNAS | 2014-09-15 | |
| web | Steven Mufson | Washington Post | 2014-09-15 |
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