?url_ver=Z39.88-2004&rft_id=10.1590%2Fs0104-66322009000100016&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Pemmalsamy%2C+M.&rft.aulast=Pemmalsamy&rft.aufirst=M.&rft.issue=1&rft.volume=26&rft.issn=01046632&rft.atitle=Prediction+of+liquid-liquid+equilibria+for+polyethylene+glycol+based+aqueous+two-phase+system+by+ASOG+and+UNIFAC+method&rft.pages=171-180&rft.title=Brazilian+Journal+of+Chemical+Engineering&rft.date=2009&rft.genre=article