?url_ver=Z39.88-2004&rft_id=10.1017%2FS1355770X11000283&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Kumar%2C+Surender&rft.aulast=Kumar&rft.aufirst=Surender&rft.title=Environment+and+Development+Economics&rft.issn=1469-4395&rft.volume=16&rft.atitle=Non-separability+and+substitutability+among+water+pollutants+%3A+evidence+from+India&rft.issue=6&rft.date=2011&rft.genre=article