?url_ver=Z39.88-2004&rft_id=10.1109%2FNatPC.2011.6136347&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=T.&rft.au=Khan%2C+T.&rft.aulast=Khan&rft.date=2011&rft.title=Arsenic(III)+immobilization+on+rice+husk+silica&rft.isbn=9781457718847&rft.genre=proceeding