?url_ver=Z39.88-2004&rft_id=10.1016%2FS0377-2217(99)00290-8&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=126&rft.date=1+October+2000&rft.issn=03772217&rft.atitle=Restricting+weights+in+value+efficiency+analysis&rft.title=European+Journal+of+Operational+Research&rft.pages=175-188&rft.genre=article