?url_ver=Z39.88-2004&rft_id=10.2202%2F1934-2659.1357&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=S.&rft.aulast=Sudesh&rft.au=Sudesh%2C+S.&rft.volume=5&rft.issn=19342659&rft.issue=1&rft.atitle=Optimization+studies+on+biosorption+of+copper+(II)+by+crab+shell+using+response+surface+methodology(RSM)&rft.title=Chemical+Product+and+Process+Modeling&rft.date=2010&rft.genre=article