?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=David&rft.aulast=Lindahl&rft.au=Lindahl%2C+David&rft.title=Rethinking+Metasearch+for+a+Better+User+Experience&rft.date=6+June+2006&rft.genre=proceeding