?url_ver=Z39.88-2004&rft_id=10.1007%2F978-3-642-31470-4%E2%82%82&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=N.&rft.au=Yahya%2C+N.&rft.aulast=Yahya&rft.title=Advanced+Structured+Materials&rft.date=2013&rft.isbn=9783642314698&rft.volume=29&rft.issn=18698433&rft.pages=9-32&rft.atitle=Hardness+improvement+of+dental+amalgam+using+zinc+oxide+and+aluminum+oxide+nanoparticles&rft.genre=article