?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.oceaneng.2011.07.007&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Montasir&rft.au=Montasir%2C+O.A.&rft.aufirst=O.A.&rft.issue=13&rft.volume=38&rft.issn=00298018&rft.atitle=Effect+of+slowly+varying+drift+forces+on+the+motion+characteristics+of+truss+spar+platforms&rft.pages=1417-1429&rft.title=Ocean+Engineering&rft.date=2011&rft.genre=article