?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Teh%2C+H.M.&rft.aulast=Teh&rft.aufirst=H.M.&rft.issn=10986189&rft.isbn=9781880653999&rft.title=Performance+enhancement+of+a+perforated+free+surface+semicircular+breakwater&rft.date=2013&rft.genre=proceeding