?url_ver=Z39.88-2004&rft_id=10.1287%2Fmnsc.45.1.103&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Halme%2C+M.&rft.aulast=Halme&rft.aufirst=M.&rft.issue=1&rft.volume=45&rft.date=January+1999&rft.issn=0025-1909&rft.atitle=A+Value+Efficiency+Approach+to+Incorporating+Preference+Information+in+Data+Envelopment+Analysis&rft.title=Management+Science&rft.pages=103-115&rft.genre=article