?url_ver=Z39.88-2004&rft_id=10.1061%2F(ASCE)PS.1949-1204.0000121&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=A.W.&rft.au=Dawotola%2C+A.W.&rft.aulast=Dawotola&rft.date=2013&rft.title=Journal+of+Pipeline+Systems+Engineering+and+Practice&rft.atitle=Risk-based+maintenance+of+a+cross-country+petroleum+pipeline+system&rft.pages=141-148&rft.issue=3&rft.volume=4&rft.issn=19491190&rft.genre=article