?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.asej.2021.07.004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=C.Y.&rft.au=Ng%2C+C.Y.&rft.aulast=Ng&rft.issn=20904479&rft.date=2022&rft.issue=2&rft.atitle=Effect+of+directional+spreading+angles+on+the+wave+hydrodynamic+coefficients+for+vertical+cylinder&rft.volume=13&rft.title=Ain+Shams+Engineering+Journal&rft.genre=article