?url_ver=Z39.88-2004&rft_id=10.1111%2Fj.1539-6924.2011.01757.x&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Rozell%2C+Daniel+J.&rft.aulast=Rozell&rft.aufirst=Daniel+J.&rft.issue=8&rft.volume=32&rft.date=December+2011&rft.issn=0272-4332&rft.atitle=Water+Pollution+Risk+Associated+with+Natural+Gas+Extraction+from+the+Marcellus+Shale&rft.title=Risk+Analysis&rft.pages=1382-1393&rft.genre=article