?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Choi&rft.aufirst=C&rft.au=Choi%2C+C&rft.issue=2&rft.title=Advanced+Engineering+Materials&rft.date=February+2021&rft.atitle=Fabricating+and+Assembling+Acoustic+Metamaterials+and+Phononic+Crystals&rft.volume=23&rft.genre=article