?url_ver=Z39.88-2004&rft_id=doi%3A10.1016%2Fj.marpetgeo.2014.03.001&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Davies%2C+Richard+J.&rft.aulast=Davies&rft.aufirst=Richard+J.&rft.volume=56&rft.date=September+2014&rft.issn=0264-8172&rft.atitle=Oil+and+gas+wells+and+their+integrity%3A+Implications+for+shale+and+unconventional+resource+exploitation&rft.title=Marine+and+Petroleum+Geology&rft.pages=239-254&rft.genre=article