?url_ver=Z39.88-2004&rft_id=10.2495%2FWP080241&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=A.R.&rft.au=Jaafar%2C+A.R.&rft.aulast=Jaafar&rft.isbn=9781845641153&rft.volume=111&rft.issn=17433541&rft.pages=247-253&rft.atitle=Adsorption+of+zinc%2C+cadmium+and+nickel+from+aqueous+solutions+using+ground+water+sludge+(GWS)&rft.title=WIT+Transactions+on+Ecology+and+the+Environment&rft.date=2008&rft.genre=article