?url_ver=Z39.88-2004&rft_id=10.1109%2FNatPC.2011.6136359&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=C.Y.&rft.au=Ng%2C+C.Y.&rft.aulast=Ng&rft.isbn=9781457718847&rft.title=Experimental+investigation+for+the+responses+of+semi-submersible+platform+subjected+to+bidirectional+waves&rft.date=2011&rft.genre=proceeding