?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Ugheoke%2C+B.I.&rft.aufirst=B.I.&rft.aulast=Ugheoke&rft.volume=49&rft.issn=0004881X&rft.pages=92-100&rft.issue=1&rft.date=2013&rft.atitle=Optimization+of+production+process+parameters+of+rice+husk+silica+(RHS)+refractories&rft.title=Journal+of+the+Australian+Ceramic+Society&rft.genre=article