?url_ver=Z39.88-2004&rft_id=10.1021%2Fje801004n&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=M.&rft.au=Perumalsamy%2C+M.&rft.aulast=Perumalsamy&rft.volume=54&rft.issn=00219568&rft.issue=4&rft.pages=1359-1366&rft.atitle=Phase+compositions%2C+molar+mass%2C+and+temperature+effect+on+densities%2C+viscosities%2C+and+liquid-liquid+equilibrium+of+polyethylene+glycol+and+salt-based+aqueous+two-phase+systems&rft.title=Journal+of+Chemical+and+Engineering+Data&rft.date=2009&rft.genre=article